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This exhibit has a Cyrillic final character, and the CCCP denotes a valve from the USSR. The construction is of a pair of triodes in the envelope.
The open box structure of this double triode.
A close-up of the grid and indirectly heated cathode.
The thin glass tube envelope is 21 mm in diameter, and excluding the base pins is 48 mm tall.
This exhibit was last updated on 07 June 2009
The open box structure of this double triode.
A close-up of the grid and indirectly heated cathode.
The thin glass tube envelope is 21 mm in diameter, and excluding the base pins is 48 mm tall.
This exhibit was last updated on 07 June 2009
A close-up of the grid and indirectly heated cathode.
The thin glass tube envelope is 21 mm in diameter, and excluding the base pins is 48 mm tall.
This exhibit was last updated on 07 June 2009
The thin glass tube envelope is 21 mm in diameter, and excluding the base pins is 48 mm tall.
This exhibit was last updated on 07 June 2009
This exhibit was last updated on 07 June 2009 |