screen of an old cathode ray tube monitor, dismantled. you can see the circuits - beeldbuis stockfoto's en -beelden
stockillustraties, clipart, cartoons en iconen met cole up of tv: duo tone lines forming cube - beeldbuis
This is one of the original vacuum tubes used by the Cambridge professor of physics John Joseph Thomson to discover the electron in 1897. Thomson's...
stockillustraties, clipart, cartoons en iconen met retro television on royalty free vector background - beeldbuis
Photograph of a radiograph of a hand, covered with glass, taken by Roentgen, Wurzburg, Germany. The X-ray or 'new' photography caused a sensation...
This early German X-ray tube is of the form originally used by Wilhelm Roentgen , the discoverer of X-rays, in his research. Roentgen, a German...
stockillustraties, clipart, cartoons en iconen met vroege röntgenapparatuur, hout gravures, gepubliceerd in 1899 - beeldbuis