Those of us who worked in TV repair shops, back when there was such a thing, will likely remember the cardinal rule of TV repair: Never touch the yoke if you can help it. The complex arrangement of ...

THIS book was first published in 1937 under the title “The Low Voltage Cathode Ray Tube”, which was somewhat misleading in view of the fact that it deals with the various forms of cathode ray tube ...

THE comparator principle is well known in the accurate determination of lengths. It may also be applied to the measurement of time intervals. By installing an extra electrode system in a standard type ...

Click to open image viewer. Replicas of Cavendish Lab. Apparatus (5, l. to r.); obj. ID no. EM.N-08013-A Thompson's cathode ray tube #2, EM.318206 Thompson's cathode ray tube #3, EM.N-08019 Rutherford ...

Marked: "3611, Pat. in USA, 3-20-7; 10-8-20; 4-22-24; 6-16-25". Early cathode ray tube with horizontal and vertical deflection plates. Plates are connected directly to filament stem which is cracked ...

Flat panel TVs have spoiled us. It used to be that a big display took up a lot of room on your desk or living room because of the depth of the CRT’s electron gun. We wonder what the designers of the ...