Eighty-five years ago this month, the May 1941 issue of Radio Craft carried this circuit for a simple phono oscillator. It had been sent in to the magazine by one Eugene Simpson of Naperville, IL, who pointed out that there had been a lot of interest recently in phono oscillators, and many enthusiasts were looking for a simple circuit. He recommended tuning the coil to the high end of the broadcast band, and cautioned not to use an antenna, as “The F.C.C. doesn’t like people who do otherwise!”