Category:Optical telegraphy: Difference between revisions
From ETHW
m (New page: IEEE GHN Category Category:Telegraphy) |
No edit summary |
||
| Line 1: | Line 1: | ||
IEEE GHN Category | |||
[[Image:Optical Telegraph Old Prussian Optical Telegraph Attribution.jpg|thumb|right|A replica of the controls on a Prussian Optical Telegraph - Image by Super Bass]] | |||
[[Category:Telegraphy|{{PAGENAME}}]] | |||
Revision as of 16:41, 15 February 2012
Pages in category "Optical telegraphy"
This category contains only the following page.
Media in category "Optical telegraphy"
This category contains only the following file.
Optical Telegraph Old Prussian Optical Telegraph Attribution.jpg 1,468 × 2,570; 884 KB
