Image Colnect-4253-329-Discovery-of-the-polymeric-optical-fiber.jpg
(632 x 401 pixels) |
Type: stamp Issuer: Spain Date: 2017 Denom: ?
Visibility: public Image owner: none postage 7/10/2017 0,60€ multi d=The 70's Generation - Discovery of fibre optics 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/4253/329/Discovery-of-the-polymeric-optical-fiber.jpg Uploaded January 5, 2018, 5:54 pm by Stan Shebs |
