Category: Thermometer
Estimated Date: 1880
Name: Thermometer, Surface
Manufacturer: unknown

Description: 5.5“x1“x 1” tapered red leatherette case contains a 4.5” thermometer calibrated to 34-44 degrees centegrade with a 1 × 5/8 bulbous bottom with a coil of mercury to apply to the skin. Labeled on the maxima, 1/10 C.

Reference 1: 51