31. The import duty on television sets today is 35 percent, the same as the duty on picture tubes . 32. Video prophets of five years ago peered into their crystal picture tubes and foresaw something called high-definition television. 33. The holdout was Sony, which is selling a table-top HDTV with a picture tube for $ 9, 000. 34. In 1963 Motorola introduced the first rectangular color picture tube , and in 1967 introduced the modular Quasar brand. 35. Usually, tiny magnets have been glued around the back of the picture tube to correct image quality faults. 36. The three companies, employing 7, 500 workers, manufacture colour picture tubes , glass panels and funnels for television and monitors. 37. Though taking up more space than traditional TVs, this system eliminated the bulk and weight of a picture tube . 38. In the direct-view scheme, the outside of the picture tube forms the screen on which you view the image. 39. The culprit is the earth's magnetic field, which deflects the electrons in the picture tube from their intended path. 40. A cathode ray tube is a vacuum tube that is used as a picture tube in a television set.
