alcohol thermometer
Date: circa 1884
Inventory Number: 4437
Classification: Thermometer
Subject:
Maker: Baudin (fl. 1875 - 1920)
User: Department of Physics, Harvard University (founded 1884)
Cultural Region:
Place of Origin:
Dimensions:
32.4 x 0.4 cm (12 3/4 x 3/16 in.)
case: 38.3 x 1.6 cm (15 1/16 x 5/8 in.)
Accessories: cylindrical wooden case
Description:
A thermometer consisting of a thin glass tube with a thin capillary filled with a transluscent, dark liquid (dyed alcohol). At one end of the tube is an elongated bulb acting as the reservoir of the liquid, while at the other end there is a small glass ring. There is a scale etched on the glass along the thin capillary calibrated from -45 to +40 degrees Celsius, with a 1 degree precision.
Signedmarked on side: Baudin à Paris (1884.8)
Inscribedon side: Centrigrade 10314
FunctionA thermometer with a wide range. Most likely for laboratory use, but with a range that would make it useful in meteorology.
Curatorial RemarksCase has tag which reads: "Lyman-Hall or Bridgman from Lyman Oct. 13 1963".
ProvenanceFrom the Department of Physics, Lyman Laboratory, Harvard University.