Image Colnect-781-449-Slide-ruler-slide-gauge--amp--atomic-model.jpg
(163 x 259 pixels) |
Type: stamp Issuer: Romania Date: 1957 Denom: ?
Visibility: public Image owner: none postage 5/29/1957 55b bl issue=2nd Engineers & Technicians Congress d=slide rule & calipers & atom symbol wmk=RPR mult endless perf=14x14.5 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/images/b/781/449/Slide-ruler-slide-gauge--amp--atomic-model.jpg Uploaded August 25, 2014, 9:14 pm by Stan Shebs |
