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Title: Printed circuit board, circuit diagrams, 'catkin' ...
Description: Printed circuit board, circuit diagrams, 'catkin' tetrodes, pentodes and triodes. Also VHF and UHF receiver amplifiers and numerical indicators (Nixie type). Subjects: Museum Collections Source: Hunterian Museum Creator: Hunterian Museum and Art Gallery, University of Glasgow Identifier: S-SCI:4.2 More Like this...
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