File:Schilling calling system.png
Appearance
Size of this preview: 779 × 600 pixels. Other resolutions: 312 × 240 pixels | 623 × 480 pixels | 844 × 650 pixels.
Original file (844 × 650 pixels, file size: 244 KB, MIME type: image/png)
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 23:13, 28 April 2020 | 844 × 650 (244 KB) | Spinningspark | {{Information |Description=Pavel Schilling's calling system for his needle 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}} |
File usage
The following page uses this file:
Global file usage
The following other wikis use this file:
- Usage on fr.wikipedia.org