Image Colnect-2770-914-Wheatstone-telegraph-interrupter.jpg
(310 x 470 pixels) |
Type: stamp Issuer: Niger Date: 1965 Denom: ?
Visibility: public Image owner: none postage 5/17/1965 30fr multi issue=ITU 100th d=Wheatstone telegraph interrupter unwmk perf=13 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/2770/914/Wheatstone-telegraph-interrupter.jpg Uploaded June 29, 2017, 11:26 am by Stan Shebs |
