Image © National Museums Scotland

Vacuum tube

Description

Conical vacuum tube, supported on a wooden base, with an anode in the shape of a maltese cross

T.1974.57

Unsigned
Europe

1864 - 1950

Glass support, wooden base

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Computer random access memory storage unit

Magazine and batch of cards for computer random access memory storage unit, in plastic case, by National Cash Register Co. Ltd, 1953 - 1974

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Computer random access memory storage unit / card

Batch of cards for computer random access memory storage unit, in brown plastic case, by National Cash Register Co. Ltd, 1953 - 1974