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Summary edit
Description |
Henley-Foster telegraph instrument |
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Source |
Shaffner, Taliaferro Preston, The Telegraph Manual, Pudney & Russell, 1859. |
Date |
published 1859 |
Author |
Taliaferro Preston Shaffner |
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 | 14:13, 5 May 2020 | 1,005 × 865 (1.22 MB) | Spinningspark (talk | contribs) | {{Information |Description=Henley-Foster telegraph instrument |Source=J.J. Fahie, A History of Electric Telegraphy, to the Year 1837, London: E. & F.N. Spon, 1884 |Date=published 1884 |Author=Shaffner, Taliaferro Preston, ''The Telegraph Manual'', Pudney & Russell, 1859. |other_versions= }} == Licensing == {{PD-old-70}} {{KeepLocal}} |
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