Circuit Board
Production date
1950s-1960s
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Object detail
Accession number
2014.44
Description
Rectangular black and brown perforated board with two large transistors with eyelet shaped base and raised circular platforms (one missing) and four small raised circular transistors soldered to it.
Brief History
With the advent of the transistor, invented in 1947, to replace the electronic valve, it became possible to house the equivalent of several valves on a pluggable card or board.
Marks
M Maker's Mark
Credit Line
1950s-1960s. Circuit Board, 2014.44. The Museum of Transport and Technology (MOTAT).
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