Thermometer Cards


Michael Finnell was a thermometer maker in New York City who, in 1861, obtained patent protection for mercury thermometers with cardboard scales. This box of those cards came from the Draper family home in Hasting-on-Hudson, N.Y.

Ref: Michael A. Finnell, “Improvement in Thermometers,” U.S. Patent 33,035 (Dec. 17, 1861).

“Recent American Inventions,” Scientific American 6 (1862): 12.

Location: Currently not on view

See more items in: Medicine and Science: Physical Sciences


Exhibition Location:

Credit Line: John William Christopher Draper and James Christopher Draper

Data Source: National Museum of American History

Id Number: PH.333989.06Catalog Number: 333989.06Accession Number: 304826

Object Name: thermometer cards

Measurements: 15 cards: 6 7/8 in x 2 1/2 in; 17.4625 cm x 6.35 cm5 cards: 5 1/2 in x 1 in; 13.97 cm x 2.54 cmoverall in storage box: 3 1/8 in x 7 1/2 in x 3 1/16 in; 7.9375 cm x 19.05 cm x 7.77875 cm


Record Id: nmah_1762089

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