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This is an interesting thread. I have LONG wondered if anyone here had seen any pre-1970's Microwave ovens MYSELF. I KNOW they cost a LOT--in say 1967 or so...around 1K or so....so not that many people had them...
ANd for a few years...they were often called an "electronic oven"..in that they cooked with a radio tube instead of a heating device--be it a resistance element or gas flame.
About 1984 or so....I was given a 1974 or so magic chef microwave oven. It did NOT look much different inside....than one from the late 1970's or so...with a mechanical timer. Just a large normal looking HV tranny...HV cap, avalanche diode (albeit a BIG one), fan and mechanical timer,and a clock-looking motor...to power the stirrer. The magnetron was NO different really...than those used TODAY..welded construction with ceramic magnets and such. I have NEVER seen a microwave oven with a FIELD COIL...for the magnetron...though i HAVE read they DID exist. ,
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