Weather Glass

Weather Glass

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Description
The simple storm glass, also known as a chemical weather glass, consists of a sealed glass vessel containing a salt in solution, so designed that the state of crystallization was said to indicate some aspect of the weather. A torn paper label on the back of this example provides instructions for use.
The inventor of the storm glass is unknown, but the form was widely known in Europe and the United States by the middle years of the nineteenth century. A British scientist named Charles Tomlinson conducted experiments and found that “the storm-glass acts as a rude kind of thermoscope, inferior, for most purposes of observation, to the thermometer.”
Ref: Charles Tomlinson, “An Experimental Examination of the so-called Storm-glass,” The Philosophical Magazine 26 (1863): 93-109.
Anita McConnell and Philip Collins, “Will the True Originator of the Storm Glass Please Own Up,” Ambix 53 (2013): 67–75
Location
Currently not on view
Object Name
weather glass
Measurements
overall: 26 cm x 12.7 cm x 15.3 cm; 10 1/4 in x 5 in x 6 in
overall: 10 in x 5 in x 6 in; 25.4 cm x 12.7 cm x 15.24 cm
ID Number
PH.322299
catalog number
322299
accession number
247190
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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