File:Schilling one-needle telegraph.png
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Summary[edit]
Description |
One needle instrument from Schilling's telegraph |
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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) |
Permission (Reusing this file) |
See below.
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Licensing[edit]
This file is in the public domain in countries with a copyright term of life of the author plus 70 years or less. | ||||
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current | 08:22, 27 April 2020 | 954 × 812 (161 KB) | Spinningspark (talk | contribs) | {{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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