Vacuum Bottle

Vacuum Bottle

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Usage conditions apply
The inscription on this vacuum bottle reads: “VACO / Registered / Keeps Hot 24 hours / without fire / Keeps Cold 72 hours / without ice / The Caloris Company / Philadelphia, U.S.A.”
Ref: Paul O. E. Friedrich and John G. Lyman, “Vacuum Bottle,” U.S. Patent 902,528 (Oct. 27, 1908), assigned to Caloris Manufacturing Co.
Paul O. E. Friedrich, “Vacuum Nursing-Bottle,” U.S. Patent 922,413 (May 18, 1909), assigned to Caloris Manufacturing Co.
Currently not on view
Object Name
Vacuum Bottle
Caloris Company
place made
United States: Pennsylvania, Philadelphia
Associated Place
United States: New Jersey
overall: 10 in x 3 1/4 in; 25.4 cm x 8.19988 cm
overall: 9 7/8 in x 3 5/16 in; 25.0825 cm x 8.41375 cm
ID Number
catalog number
accession number
Credit Line
Transfer from D.C. Public Schools
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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