Why this is called a Beckman thermometer is not known. As far as we know it has nothing to do with Arnold O. Beckman. Scale is 0-5c degrees in 1/100s of a degree centigrade. There is an overrange indication to 100 degrees C. Mfg: Brooklyn Thermometer Co. located in either Middletown, NY or Cambridge, MA.
Dec. 20, 1929
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