File:Schilling one-needle telegraph.png

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current08:22, 27 April 2020Thumbnail for version as of 08:22, 27 April 2020954 × 812 (161 KB)commons>Spinningspark{{Information |Description=One needle instrument from Schilling's telegraph |Source=J.J. Fahie, ''A History of Electric Telegraphy, to the Year 1837'', London: E. & F.N. Spon, 1884 |Date=published 1884 |Author=John Joseph Fahie (1846-1934) |other_versions= }} == Licensing == {{PD-old-70}} {{KeepLocal}}

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