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TCV3

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ID = 81933
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Photocell 
Identical to TCV3

Filament
Description

Photocell from pre-WWII. The 3-pin TCV3 believed to be the first in a line of different pin variations. 

Other variations based on early technical data includes:

3-pin TCV3 E and TGV3 RE

4-pin TCV3 A and TGV3 RA

Also from pin diagram it is suggested there is a TCV4

See also TGC3 and TCG4

 
Information source - - Manufacturers Literature   Electricité Radio Télévision 1938 French book

tcg3_tcv3_fotos_grammont_schema_utilisation~~1.png
TCV3: Livre Electricité Radio Télévision 1938
Patrice Zeissloff

tcg3_tcv3_tcg4_tcv4_fotos_grammont_brochage~~1.png
TCV3: Livre Electricité Radio Télévision 1938
Patrice Zeissloff

 

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