10J12S 10Ж12С 10ZH12S WE310A SVETLANA TUBES,High Frequency Pentode,New,Same Date,Lot 11 pcs.

Pentode with an oxide cathode-10J12S serves to amplify high-frequency signals, 

was used and is still used in highly sensitive long-distance communication equipment. 

The feature of the presented electrovacuum device is a glass bulb, 

which has a shaped configuration and is equipped with a pin, 

octal,six-contact socket.

10J12S NEW,

without factory packaging

The same-date of manufacture 11/70

Lot 11 pcs.

Departure from Ukraine.