Centigrade mercury thermometer in a glass tube, with metal case. The case measures 13 x 1 cm. The thermometer has a metal cap which screws into the case sheath.
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Medical Museum Collection, Box 2B
ca. 1940
One of two digital photographs of a centigrade mercury thermometer in a metal case. This view shows the closed metal case. A ruler has been placed in the foreground for size comparison.