Bimetal Thermostat


The bimetal thermostat shows that dissimilar metals expand (or contract) at different rates, and thus may be used to close or open an electrical circuit at specific temperatures. Circuit is completed when temperature either rises above a certain point or falls below another point. Temperatures are set by two screws. The inscription reads "Chicago Apparatus Co. / Chicago USA."

User: Woodrow Wilson High SchoolMaker: Chicago Apparatus Company

Location: Currently not on view

Place Made: United States: Illinois, ChicagoUsed: United States: Ohio, Youngstown

See more items in: Medicine and Science: Physical Sciences


Exhibition Location:

Credit Line: Richard J. Zitto

Data Source: National Museum of American History

Id Number: 2010.0235.02Catalog Number: 2010.0235.02Accession Number: 2010.0235

Object Name: bimetal thermostat

Measurements: overall: 2 1/2 in x 2 in x 6 in; 6.35 cm x 5.08 cm x 15.24 cmoverall: 3 in x 6 in x 2 3/4 in; 7.62 cm x 15.24 cm x 6.985 cm


Record Id: nmah_1409584

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