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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
|  | Magnetron (S-Band Pulse) |   |  | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1507 | Spark Gap |   |  | 
 | CV86 REL21 VI507 ZC/10E/467 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1538 | Magnetron |   |   | 
 | 5J32 ZP646 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1539 | Barretter |   |   | 
 | D15 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1541 |   |   |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1542 |   |   |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1543 |   |   |   | 
 | 12MD6 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1544 |   |   |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1545 |   |   |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1552 |   |   |   | 
 | VX3B | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1553 | Triode |   |  | 
 | ESU450X VT4B | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1554 |   |   |   | 
 | VT5B | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1555 |   |   |   | 
 | VU6A | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1557 |   |   |   | 
 | VT9B | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1558 |   |   |   | 
 | VT10D | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1559 |   |   |   | 
 | VR12C | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1560 |   |   |   | 
 | VR12F | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1561 |   |   |   | 
 | VT12B VT13B | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1563 |   |   |   | 
 | VR14A | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1564 |   |   |   | 
 | VU16A | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1566 |   |   |   | 
 | VR24B | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1567 | Triode |   |   | 
 | 2C25 CV1025 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1573 | Double Triode |   | B5 | 
 | 4074B VT61A | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1583 | Pentode |   |  | 
 | CV2298 E1024 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1585 | Thyratron |   |   | 
 | T41 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1600 | Triode |   |  | 
 | 4006A 4220C BW173 CAT1 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1603 | Triode |   |  | 
 | 4104A POVT47 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1604 | Triode |   |  | 
 | POVT53 SS1971 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1605 | Triode |   |  | 
 | 4013C 4013D POVT60 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1606 | Triode |   |  | 
 | CAT2 POVT62 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1607 | Triode (Silica) |   |  | 
 | 0C2.5 POVT16 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1608 | Rectifier HW (Silica) |   |  | 
 | POVT17 U4 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1609 | Triode (Silica) |   |  | 
 | POVT61 SW7 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1610 | Triode |   |  | 
 | MT4 POVT10 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1612 | Triode |   |  | 
 | POVT19 VT9B | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1614 | Triode |   |  | 
 | ES1500A MT13 POVT34 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1616 | Triode |   |  | 
 | POVT46 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1617 | Triode |   |  | 
 | POVT51 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1618 | Triode |   |  | 
 | ES250M POVT54 TZ2-250 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1620 | Triode |   |  | 
 | 4094A DET6 POVT59 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1621 | Triode |   | B4 | 
 | ESW501 POVT131 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1624 | Pentode |   |   | 
 | CV1371 P21-75 PZ1-75 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1630 | Pentode |   |  | 
 | 5C/450 ESP450 POVT205 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1632 | Semiconductor Diode |   |   | 
 | 1N82 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1633 | Pentode |   |   | 
 | 3V4 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1634 | Barretter |   |   | 
 | XB2 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1638 | Triode |   |   | 
 | 4101D | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1649 | Triode |   | B4 | 
 | E133 POVT65 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1651 | Triode |   | B4 | 
 | G455B POVT68 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1655 | Triode |   | B4 | 
 | 3A/107B 4019B 425XP AR11 POVT75 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1657 | Triode |   | B4 | 
 | 3A/108B 4020B POVT79A | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1663 | Triode |   | B4 | 
 | 3A/109B 4021B AR20 POVT87 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1667 | Triode |   | B4 | 
 | LS5X LS8A POVT94 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1668 | Triode |   | B4 | 
 | 4033L E420 POVT95 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1669 | Triode |   | B4 | 
 | P625 POVT98 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1674 | Pentode |   | B7 | 
 | AC/S2/Pen AC52Pen POVT106 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1676 | Triode |   | B4 | 
 | LS8A POVT108 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1683 | Pentode |   | B7 | 
 | APP4A MKT4 MP/Pen POVT115 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1688 | Triode |   | B5 | 
 | 3B/252B 4033L 61P | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1689 | Triode |   | B5 | 
 | PA1 POVT125 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1695 | Double Diode |   | B5 | 
 | DDL13 POVT133 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1706 | Double Diode Pentode |   | UX7 | 
 | 2B7 CV1837 POVT157 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1711 | Double Diode Pentode |   | UX7 | 
 | 6B7 CV1891 POVT162 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1716 | Triode |   | B4 | 
 | E1541 POVT167 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1724 | Pentode |   | IO | 
 | 5A/162D POVT183 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1725 | Pentode |   |   | 
 | 4328D | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1726 | Pentode |   | IO | 
 | 5A/105A POVT186 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1734 | Triode |   |  | 
 | 3Q/213E | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1735 | Triode |   | B5 | 
 | DC2P POVT92 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1741 | Pentode |   |   | 
 | 6CA7 EL34 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1742 | Ignitron (AC Resistance Welding) |   |  | 
 | BK44 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1743 | Spark Gap |   |   | 
 | BS64 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1747 | Magnetron (X-Band Pulse) | 1954 |   | 
 | M505 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1748 | TR Cell |   |   | 
 | TTR31MC | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1749 | Triode |   |   | 
 | 205D 205F | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1750 | Double Triode |   |   | 
 | 33A/100A CV18 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1751 | Pentode |   |   | 
 | 34 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1752 | Pentode |   |   | 
 | 35/51 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1753 | Pentode |   |   | 
 | 35A5 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1754 | Triode |   |   | 
 | 35TG | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1760 | Magnetron |   |   | 
 | 2J26 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1764 | Photocell |   |   | 
 | 1P30 71A3 CE2 CE2A/B CE2C CE2D | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1765 | Thyratron |   |   | 
 | 5664 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1766 | Photocell |   |   | 
 | CX25 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1768 | Velocity Modulated Valve |   |   | 
 | 2K28 7076 707B CV1871 K307 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1770 | Triode |   |   | 
 | 7A4 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1771 | Pentode |   |   | 
 | 239 39/44 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1772 | Pentode |   |   | 
 | 47 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1774 | Triode |   |   | 
 | 112A/12A | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1775 | Pentode |   |   | 
 | 36 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1776 | Pentode |   |   | 
 | 6D7 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1777 | Pentode | 1940 |   | 
 | 6W7G 7C7 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1778 | Triode |   |   | 
 | ARD2 D1 VR78 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1779 | Triode |   |   | 
 | 102D | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1780 | Double Diode |   |   | 
 | 30TWIN | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1781 | Pentode |   |   | 
 | 310B WE310B | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1782 | Triode |   |   | 
 | 340A | 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1784 | Pentode |   |   | 
 | 6AG7 6AH7 6AK7 CV1882 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1785 | Semiconductor Diode |   |   | 
 | IN26 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1786 | Klystron |   |   | 
 | 2K33 3K33 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1788 | Magnetron |   |   | 
 | 3J31 | 
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| 
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| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1792 | Spark Gap |   |   | 
 | 1960 S836 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1793 | TR Cell |   |   | 
 | 724B WE724B | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1794 | Pentode |   |   | 
 | 959 GL959 | 
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| 
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| 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1797 | Triode |   |   | 
 | 4081A | 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1800 | Heptode |   |   | 
 | 1A7G | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1801 | Photocell |   |   | 
 | GS118 | 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1803 | Pentode |   |   | 
 | 1C5G DL35 N14 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1804 | Diode Triode | 1947 |   | 
 | EAC91 | 
 | 
| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1806 | Pentode |   |   | 
 | 1D5GP 1D5GT CV705 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1807 | Magnetron (S-Band Pulse) |   |   | 
 | 2J31 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1808 | Magnetron (S-Band Pulse) |   |   | 
 | 2J32 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1809 | Magnetron (S-Band Pulse) |   |   | 
 | 2J33 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1810 | Magnetron (S-Band Pulse) |   |   | 
 | 2J34 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1811 | Diode Triode Pentode |   |   | 
 | 1D8GT VT-148 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1812 | Double Pentode |   |   | 
 | 1E7GT | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1815 | Rectifier |   |   | 
 | 6Q5 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1816 | Rectifier HW |   |   | 
 | 6Y3G | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1818 | Diode Triode |   |   | 
 | 1H5G HD14 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1819 | Triode |   |   | 
 | 6P5GT | 
 | 
| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1821 | Pentode |   |   | 
 | 1N5G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1822 | Magnetron |   |   | 
 | 2J48 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1824 | Pentode |   |   | 
 | 1Q5G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1825 | Pentode |   |   | 
 | KT45 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1826 | Pentode |   |   | 
 | 1Q5GT | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1827 | Magnetron |   |   | 
 | 2J32 CV1808 M510 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1828 | Magnetron |   |   | 
 | 2J36 CV514 M512 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1829 | Beam Tetrode |   |   | 
 | 1T5 IT5GT | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1830 | Rectifier | 1946 |   | 
 | 1B3 CV2115 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1831 | Triode |   |   | 
 | 2A3 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1836 | Rectifier |   |   | 
 | 4B26 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1837 | Double Diode Pentode |   | UX7 | 
 | 2B7 CV1706 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1838 | Double Beam Tetrode |   |   | 
 | 5895 QQZ04-15 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1841 | TR-Cell (X-Band) |   |  | 
 | BS52 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1842 | Barretter |   |   | 
 | 2G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1843 | Rectifier HW |   |   | 
 | 2Y2 CV597 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1844 | Crystal |   |   | 
 | CS3/B | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1847 | Diode |   |   | 
 | 19H4 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1850 | Double Triode |   | B8A | 
 | 6L19 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1851 | Rectifier FW |   |   | 
 | 5X4G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1852 | Rectifier FW |   |   | 
 | 5X4 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1854 | Rectifier FW |   |   | 
 | 5Y3G | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1857 | Rectifier FW |   |   | 
 | 5Y4G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1858 | Spark Gap |   | IO | 
 | BS62 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1859 | Spark Gap |   |  | 
 | BS4A | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1865 | Triode |   |   | 
 | 6R4 EC81 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1867 | Double Triode |   |   | 
 | 6A6 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1869 | Cathode-Ray Tube |   |   | 
 | 12T01A MF31-95 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1872 | Dummy Load Lamp |   | B4 | 
 |   | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1873 | Triode | 1941 |   | 
 | 6AB7/1853 6AB7 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1874 | Dummy Load Lamp |   | B4 | 
 |   | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1875 | Dummy Load Lamp |   | B4 | 
 |   | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1876 | Pentode |   |   | 
 | 1852 CV660 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1877 | Dummy Load Lamp |   |  | 
 |   | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1878 | Triode Pentode |   |   | 
 | 6AD7G | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1881 | Noise Tube (Argon Filled) |   |  | 
 | BS384 VX4144 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1883 | Pentode |   |  | 
 | 44/180E 4H/182E | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1885 | Double Triode |   |   | 
 | 6B5 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1886 | Triode |   |   | 
 | EC80 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1887 | Double Triode |   |   | 
 | 6B6G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1888 | Triode |   |   | 
 | 6R4 CV1865 EC81 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1889 | Triode |   |   | 
 | TSY4-500 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1890 | Double Diode Pentode |   |   | 
 | 6B7G | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1892 | Klystron (Oscillator) |   |   | 
 | 2K28 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1893 | Double Diode Pentode |   | IO | 
 | 6B8G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1894 | Double Diode Pentode |   |   | 
 | 6B8 VT93 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1897 | Magnetron (S-Band Pulse) |   |   | 
 | 4J34 CV2744 M518A | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1898 | Magnetron (S-Band Pulse) |   |   | 
 | 4J35 M518A | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1899 | Triode |   |   | 
 | 6L18 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1901 | Pentode |   |   | 
 | 6F11 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1902 | Heptode |   |   | 
 | 6D8G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1903 | Triode |   |   | 
 | 592 GL592 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1904 | Diode |   |   | 
 | CAA322 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1907 | Crystal |   |   | 
 | CS2-C | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1908 | Triode |   |   | 
 | 6F5G CV1073 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1909 | Triode |   |   | 
 | 6F5 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1910 | Triode |   |   | 
 | 6F5GT | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1913 | Photocell |   |   | 
 | GS44X | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1914 | Magnetron (S-Band Pulse) |   |   | 
 | 4J31 M518A | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1915 | Triode Pentode |   |   | 
 | 6F7B 6F7E 6F7 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1916 | Magnetron (S-Band Pulse) |   |  | 
 | 4J33 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1917 | Double Triode |   |   | 
 | 6F8G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1918 | Double Triode |   |   | 
 | 6F8 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1923 | TR-Cell (X-Band) | 1971 |  | 
 | BS810 TRR31MR | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1926 | Pentode |   |   | 
 | 6G6G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1927 | Triode |   |   | 
 | B142 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1929 | Double Diode |   |   | 
 | 6H6G CV554 CV1301 D63 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1930 | Double Diode |   |   | 
 | 6H6 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1931 | Double Diode |   | IO | 
 | 6H6GT | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1933 | Triode |   |   | 
 | 6J5 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1936 | Pentode |   |   | 
 | 6J7 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1938 | Pentode |   |   | 
 | 6K6G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1939 | Photocell |   |   | 
 | 37X50 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1940 | Pentode |   |   | 
 | 6K6GT | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1951 | Heptode |   |   | 
 | 6L7 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1953 | Double Triode |   |   | 
 | 6N6G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1954 | Double Triode |   |   | 
 | 6N6 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1957 | Double Triode | 1936 |   | 
 | 6N7 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1960 | Pentode |   |   | 
 | 6R6G | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1967 | Heptode | 1940 |   | 
 | 6SA7GT/G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1968 | Photocell |   |   | 
 | CWS24A | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1969 | Double Triode | 1938 |   | 
 | 6SC7 VT-105 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1970 | Double Triode |   |   | 
 | 6SC7GT | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1974 | Pentode |   |   | 
 | 6S7G | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1975 | Pentode |   |   | 
 | 6S7 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1977 | Pentode |   |   | 
 | 45A5 UL41 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1984 | Double Triode |   |   | 
 | 6SC7 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1986 | Double Triode |   |   | 
 | 6SN7 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| CV1994 | Triode (CV28 without fins) |   |  | 
 |   | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 |