File:Hughes telegraph.jpg
From WikiMD's medical encyclopedia
Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 640 × 480 pixels | 1,024 × 768 pixels | 1,280 × 960 pixels | 1,600 × 1,200 pixels.
Original file (1,600 × 1,200 pixels, file size: 280 KB, MIME type: image/jpeg)
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:33, 5 August 2009 | 1,600 × 1,200 (280 KB) | Olaf | {{Information |Description={{en|1=Hughes telegraph (1866-1914), first telegraph printing text on a paper tape. Manufactured by Siemens und Halske, Germany. Range 300-400 km. Exhibit of Warsaw Museum of Technology (Muzeum Techniki).}} {{pl|1=Aparat telegra |
File usage
The following page uses this file: