The heater numbers are not usually shown on the (a) Figure 5-1 Vacuum tube symbols schematic but will be found on a separate power supply drawing. ... 5-3 Gas-Filled Tube Symbols Gas-filled tubes, such as thyratrons and voltage regulator tubes, use the same symbols as a corresponding vacuum tube except that thereanbsp;...
|Title||:||Automotive tune-up and test equipment|
|Author||:||Charles R. Cantonwine|
|Publisher||:||Chilton Book Company - 1972|