Temperature Scale for Pocket Hygrometer

Temperature Scale for Pocket Hygrometer

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Usage conditions apply
Circular disc with a temperature scale marked "PASTORELLI / LONDON". Temperatures read clockwise high to low, from 120 degrees to -20 degrees, with ranges labeled Fever Heat, Blood Heat, Summer Heat, Temperate, and Freezing. Pierced with eight holes, two at top threaded with green string tied in a loop and six at bottom arranged into two sets of two small and one large. Plain back. Hinged, red, circular pressed paper case has padded front interior lined with white silk satin; inside back is lined with red velvet. Two small hook-and-eye clasps at side. Rectangular green printed label on back "SOLD BY / COOK & LEADBEATER / Chemists & Druggists, / King Street, / ALEXANDRIA."
Instrument maker is Anthony Pastorelli of London, England; active, 1829-1846/8. Retailed by Cook & Leadbeater in Alexandria, VA.
Currently not on view
Object Name
scale, temperature
date made
place made
United Kingdom: England, London
place sold; place used
United States: Virginia, Alexandria
Physical Description
bone (disc material)
wool (hanging loop material)
paper, pressed (case material)
brass (case hardware material)
silk (case lining material)
velvet (case lining material)
overall: 5/8 in x 2 5/8 in x 2 5/8 in; 1.5875 cm x 6.6675 cm x 6.6675 cm
ID Number
accession number
catalog number
Credit Line
Gift of The Heirs of William and Dennis Ramsay
See more items in
Cultural and Community Life: Domestic Life
Domestic Furnishings
Data Source
National Museum of American History
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