| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POSV2 |  |   |   | 
 |  | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POTCR1 |  |   |   | 
 | 4018AG | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT3 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT4 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT5 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT6 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT7 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT8 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT9 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT10 |  |  |   | 
 |  | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT11 |  |  |   | 
 |  | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT12 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT13 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT14 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT15 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT16 | Triode (Silica) |   |   | 
 |  | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT17 | Rectifier HW (Silica) |   |   | 
 |  | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT18 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT19 |  |  |   | 
 |  | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT20 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT21 |  |  |   | 
 |  | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT22 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT23 |  |  |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT24 |  |  |   | 
 |  | 
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|  | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT26 | Triode | 1923 |   | 
 | 220-B | 
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| 
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| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT30 | Triode | 1925 |   | 
 |   | 
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| 
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| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT32D | Triode |   |   | 
 | CV1641 | 
 | 
| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT34 | Triode | 1925 |   | 
 | CV1614 ES1500A MT13 | 
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| 
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| 
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| 
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| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT38A | Triode |   |   | 
 | CV1646 | 
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| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT46 | Triode |   |   | 
 | CV1616 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT47 | Triode |   |   | 
 | CV1603 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT51 | Triode |   |   | 
 | CV1617 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT53 | Triode |   |   | 
 | CV1604 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT54 | Triode |   |   | 
 | CV1618 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT56 | Triode |   |   | 
 | CV1648 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT58 | Triode |   |   | 
 | CV1619 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT59 | Triode |   |   | 
 | CV1620 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT60 | Triode |   |   | 
 | CV1605 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT61 | Triode (Silica) |   |   | 
 | CV1609 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT62 | Triode |   |   | 
 | CV1606 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT65 | Triode |   |   | 
 | CV1649 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT66 | Triode |   |   | 
 | CV1650 | 
 | 
| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT69 | Triode |   |   | 
 | CV1652 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT74 | Triode |   |   | 
 | CV1654 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT75 | Triode |   |   | 
 | AR11 CV1655 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT78 | Triode |   |   | 
 | CV1656 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT79A | Triode |   |   | 
 | CV1657 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT82 | Triode |   |   | 
 | CV1660 LS7 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT85 | Triode |   |   | 
 | CV1661 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT86 | Triode |   |   | 
 | CV1662 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT87 | Triode |   |   | 
 | AR20 CV1663 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT88 | Triode |   |   | 
 | AR13 CV1664 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT89 | Triode |   |   | 
 | CV1665 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT92 | Triode |   |   | 
 | CV1735 DC2/P | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT93 | Triode |   |   | 
 | CV1666 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT94 | Triode |   |   | 
 | CV1667 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT95 | Triode |   |   | 
 | CV1668 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT98 | Triode |   |   | 
 | CV1669 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT102 | Triode |   |   | 
 | CV1671 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT106 | Pentode |   |   | 
 | CV1674 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT108 | Pentode |   |   | 
 | CV1676 LS8A | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT114 | Pentode |   |   | 
 | CV1682 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT115 | Pentode |   |   | 
 | CV1683 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT116 | Pentode |   |   | 
 | CV1684 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT116A | Pentode |   |   | 
 | CV1685 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT118A | Diode |   |   | 
 | CV1686 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT118B | Diode |   |   | 
 | CV1687 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT122 | Pentode |   |   | 
 | CV244 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT125 | Triode |   |   | 
 | CV1689 PA1 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT126 | Pentode |   |   | 
 | 9A1 CV1690 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT133 | Double Diode |   |   | 
 | CV1695 DDL13 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT140 | Triode |   |   | 
 | ARS CV1199 LP2 NR42 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT144 | Pentode |   |   | 
 | ATP75 CV1371 NT38 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT151 | Triode |   |   | 
 | CV1701 XL0 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT152 | Triode |   |   | 
 | CV1702 XP | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT153 | Pentode |   |   | 
 | CV1703 XW | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT157 | Double Diode Pentode |   |   | 
 | 2B7 CV1706 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT162 | Double Diode Pentode |   |   | 
 | 6B7 CV1711 | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT169 | Pentode |   |   | 
 | 4307A CV1717 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT170 | Triode Pentode |   |   | 
 | AC/TP CV1718 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT177 | Triode |   |   | 
 | CV1720 XL1.5 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT178 | Triode |   |   | 
 | CV1721 XP1.5 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT179 | Pentode |   |   | 
 | A901 CV1722 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT182 | Pentode |   |   | 
 | CV1723 V257 | 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT186 | Pentode |   |   | 
 | 5A/105A CV1726 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT188 | Pentode |   |   | 
 | CV1727 SP210 | 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT190 | Triode |   |   | 
 | CV1728 WE262B | 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| POVT205 | Pentode |   |   | 
 | 5C/450 CV1630 ESP450 | 
 | 
| 
 | 
| 
 |