Image Colnect-152-121-Wilhelm-Conrad-R-ouml-ntgen-1845-1923-first-X-ray-tube.jpg

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Type: stamp Issuer: Germany Date: 1951 Denom: ? Visibility: public Image owner: none postage 12/10/1951 30(pf) bl issue=Rontgen Nobel 50th d=Wilhelm Conrad Röntgen & first X-ray tube perf=14 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/images/b/152/121/Wilhelm-Conrad-R-ouml-ntgen-1845-1923-first-X-ray-tube.jpg Uploaded August 26, 2014, 6:35 pm by Stan Shebs