Image Colnect-172-826-Graph-and-computer-tapes.jpg
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Type: stamp Issuer: Portugal Date: 1973 Denom: ?
Visibility: public Image owner: none postage 4/11/1973 1e multi issue=Productivity Conference '72 d=graphs unwmk perf=14.5 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/172/826/Graph-and-computer-tapes.jpg Uploaded August 24, 2014, 7:22 pm by Stan Shebs |
