Large-frequency alternators on the variable-reluctance variety have been applied commercially to radio transmission in reduced-frequency radio bands. These were useful for transmitting Morse code and, experimentally, for transmitting voice and new music. During the Alexanderson alternator, both equally the sector winding and armature winding are st
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1 stop is soldered to the central block and it is open to your fluid whose pressure should be to be calculated; the opposite conclusion is sealed and coupled to your pointer spindle. If the pressure In the tube is bigger than the outside pressure, the tube tends to straighten, So turning the pointer. The pressure is Read more a circular scale.Searc