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Title: A magneto-electirc single needle telegraph (dated ...
Description: A magneto-electirc single needle telegraph (dated 1856), a magnetic wall telephone, a telegraphic transformer, and a Wheatstone transmitter. Subjects: Museum Collections Source: Hunterian Museum Creator: Hunterian Museum and Art Gallery, University of Glasgow Identifier: S-SCIRG:3.3 More Like this...
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