antique illustration, physics principles and experiments: pneumatic machine with mercury detail - 真空管 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments: pneumatic machine detail - 真空管 幅插畫檔、美工圖案、卡通及圖標
This tube made by J J Griffin & Sons is a modification of the original vacuum tube used by Sir William Crookes in his famous 'Maltese cross'...
Two couples watching a vintage television, seen from the back exposing its tubes and screen; photograph, 1951.
East Pittsburgh, PA: "Splitting the Atom." Dr. William H. Wells, in charge of the Westinghouse "Atom Smasher," testing a 40 foot vacuum tube through...
Black and white image of various models of Vacuum Tubes which are used in 100-1000 Watt Radio Telephone Broadcasting Equipment, 1936. It orginally...
Dwight Kline, a recycling line operator, shovels recycled plastic resin, or plastic pellets, into a vacuum tube for processing into plastic bags at...
Audion for radio-telephone station, illustration from L'Industria, Rivista tecnica ed economica illustrata, Milan, 1907.
Solar vacuum tubes are await further production on the assembly line at the Himin Solar Energy Group factory in Dezhou, Shandong province, China, on...
Workers produce solar vacuum tubes at the Himin Solar Energy Group factory in Dezhou, Shandong province, China, on Monday, Dec. 7, 2009. Himin Solar...
Workers produce solar vacuum tubes at the Himin Solar Energy Group factory in Dezhou, Shandong province, China, on Monday, Dec. 7, 2009. Himin Solar...
Diagram depicting a spinthariscope invented by William Crookes. A spinthariscope - a toy in which a small piece of radium compound a) emits alpha...
Early experimental Fleming diodes such as this one were the forerunners of other types of vacuum tubes. Diode valves control electrical currents and...
Signed portrait photograph. After studying at the Royal College of Chemistry in London, Crookes went on to make significant contributions in several...
Chromolithograph by Spy. After studying at the Royal College of Chemistry, London, Crookes went on to make significant contributions in several...
Klystron is an electron tube that generates or amplifies microwaves by velocity modulation. Radar revolutionised British offensive and defensive...
Drawing of Crookes by Harry Jarvis. After studying at the Royal College of Chemistry, London, Crookes went on to make significant contributions in...陰極射線管
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...陰極射線管