Dinwiddie Graduated Evaporating Dish

Dinwiddie Graduated Evaporating Dish

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Description
William G. Dinwiddie, of Louisville, Ky., patented an evaporating dish in 1874. This is probably the model he submitted with his patent application. The inscription reads “W. G. Dinwiddie’s / Graduated Evaporating / Dish.”
Ref: William G. Dinwiddie, “Graduated Evaporating Dishes,” U.S. Patent 153,159 (July 21, 1874).
Location
Currently not on view
Object Name
Graduated Evaporating Dish
place made
United States: Kentucky, Louisville
Measurements
overall: 2 1/2 in x 7 1/2 in; 6.35 cm x 19.05 cm
overall: 2 1/4 in x 7 7/8 in; 5.715 cm x 20.0025 cm
ID Number
CH.315304
accession number
219305
catalog number
315304
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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