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| radiomicrometer (an exceedingly sensitive thermoelectric radiometer consisting of a D’Arsonval galvanometer with a suspended coil replaced by a short-circuited thermocouple forming a loop) | |||
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| radiomicrometer (an exceedingly sensitive thermoelectric radiometer consisting of a D’Arsonval galvanometer with a suspended coil replaced by a short-circuited thermocouple forming a loop) | |||