The Moorhead VT-32 with a clear envelope.Thanks to Joe Gruber for sending the images.The wide glass tube envelope is mm in diameter and, excluding the B4 base pins, is mm tall.Reference: Joe Gruber. Type VT-32(M) was first introduced in 1917. |
Pin Connections
| 1 | 2 | 3 | 4 |  a | g1 | f | f |
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Updated June 13, 2020. shape:wide.glass.tube construction:pinch type:triode age:pre.1920 base:b4 pins:4 pin:1.a pin:2.g1 pin:3.f pin:4.f
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