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Show l " Kjovemment Experts Testing Thermometers ! J -"w ! i"x rz v '1:,ir - . " . it - ? -J 1 fO. Mil t i y ' : , V' I ,1 , 4 ' - r - r -, - - I ' ' I r . -""s , , r-i THESE young women, experts in the business of testing thermometers for Uncle Sam's bureau of standards, stand-ards, are making tests in the water bath. They check the mercury's reaction to temperatures ranging from zero to 100 degrees centigrade. Miss Elolse G. Litaker (left) Is reading indications on thermometers, while Miss Margaret L. Leidlg (right) reads Indications on a standard resistance thermometer. |