AM Radio, created by Reginald Fessenden, 1906

Vintage Am Radio Transistor

https://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Vintage_Magnavox_Transistor_AM_Radio%2C_Model_AM-84%2C_Made_In_Japan%2C_Circa_1964_%2812886299874%29.jpg/1024px-Vintage_Magnavox_Transistor_AM_Radio%2C_Model_AM-84%2C_Made_In_Japan%2C_Circa_1964_%2812886299874%29.jpg

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