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Combined Clock Thermometer Thermostat Patent Print Patent Title: Combined Clock Thermometer And Thermostat Inventor Name: Joseph...read more
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Combined Clock Thermometer Thermostat Patent Print Patent Title: Combined Clock Thermometer And Thermostat Inventor Name: Joseph Gosling Year Issued: October 25 1932 Item Number: 11406 Reprint of original Patent Patent is printed on premiu.
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