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[1] [2] [3] The safety mask on the front of the picture tube was made with a new organic plastic product by Eastman Plastics called “tenite”, which protected the glass and provided implosion protection for the user and produced a greenish tint. The Predicta also had a thinner picture tube than many other televisions at the time, which led ...
Tubes made from expansion-resistant glasses, mostly borosilicate glass or fused quartz, can withstand high temperatures up to several hundred degrees Celsius. Chemistry tubes are available in a multitude of lengths and widths, typically from 10 to 20 mm wide and 50 to 200 mm long. [1]
These tubes are usually made of glass, but can also be made of plastic or metal. They vary in size and purpose. Laboratory sample tubes must not be confused with glass tubing, which can be utilized to carry fluid between laboratory equipment. Example laboratory sample tubes are listed below: Ignition tube; Test tube; Boiling tube; NMR tube
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The Machlett X-ray tube was produced to ‘provide electrostatic protection for the filament (cathode) so as to permit long life to be achieved at operating voltages in the range 100-300 kV’ i . The X-ray tube was designed and manufactured by E. Machlett & Son who were specialists in scientific glass instruments.
The tube is a glass envelope which is heavy, fragile, and long from front screen face to rear end. Its interior must be close to a vacuum to prevent the emitted electrons from colliding with air molecules and scattering before they hit the tube's face. Thus, the interior is evacuated to less than a millionth of atmospheric pressure. [4]
In most production processes, an "infinitely long" glass tube is drawn directly from the melt, from which approximately 1.5 m long pieces are chopped off after passing a roller track up to the drawing machine. Production line for vertical tube drawing, right hand: glass tube in free sag, roller track, drawing machine and take-off device, packaging
[1] The plasma lamp was invented by Nikola Tesla, during his experimentation with high-frequency currents in an evacuated glass tube for the purpose of studying high voltage phenomena. [2] Tesla called his invention an "inert gas discharge tube". [3] The modern plasma lamp design was developed by James Falk and MIT student Bill Parker. [1] [4]
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