Higher-frequency alternators with the variable-reluctance style were used commercially to radio transmission in very low-frequency radio bands. These were being used for transmitting Morse code and, experimentally, for transmitting voice and tunes. In the Alexanderson alternator, both the sphere winding and armature winding are stationary, and present-day is induced during https://refining-equipment-for-oi56891.pages10.com/the-definitive-guide-to-starter-parts-70794253