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The VP4C was made in England by the Hungarian Tungsram company. The VP4 was a Mullard/Philips design from the early 1930s.
As yet we have no specific data on the VP4C.
The classic envelope is 43 mm in diameter and, excluding the B7 base pins, is 112 mm tall.
This exhibit was last updated on 24 July 2005
As yet we have no specific data on the VP4C.
The classic envelope is 43 mm in diameter and, excluding the B7 base pins, is 112 mm tall.
This exhibit was last updated on 24 July 2005
This exhibit was last updated on 24 July 2005
This exhibit was last updated on 24 July 2005 |