A collection of late 19th Century telegraph apparatus comprising a morse-key with coil and meter on mahogany base - 10¾in. (27.7cm.) long engraved G.P.O. 404; a smaller morse key, a needle meter; a cased coil; and a twin coil with adjustable magnets with glazed cover (5)
A collection of late 19th Century telegraph apparatus comprising a morse-key with coil and meter on mahogany base - 10¾in. (27.7cm.) long engraved G.P.O. 404; a smaller morse key, a needle meter; a cased coil; and a twin coil with adjustable magnets with glazed cover (5)
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.jpg "Quelle: Christie's")