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VT-32(M)

 
    
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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
B4
1
2
3
4
a
g1
f
f

 

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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