Air Pump
name: label: maker
content: E. S. Ritchie & Sons
notes: label: Description
content: Edward Samuel Ritchie (1814-1895) began in business as an instrument maker in 1850. The firm became E. S. Ritchie & Son in 1866, and E. S. Ritchie & Sons in 1867. This example of the firm's rotary air pump, or air pump with rotary action, came the University of Georgia. The inscription on a brass plate reads “E. S. RITCHIE & SONS / 76 / Boston.” This cost $250 in 1878, and was one of the most expensive items offered by the firm.
label: Description
content: Ref: Edward S. Ritchie, “Improvement in Air-Pumps,” U.S. Patent 71,218 (Nov. 19, 1867).
label: Description
content: E. S. Ritchie & Sons, <i>Ritchie’s Catalogue of Philosophical Instruments </i> (Boston, 1878), pp. 26-27.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Boston
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: University of Georgia
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.326304
label: accession number
content: 258980
label: catalog number
content: 326304
objectType: label: Object Name
content: Air Pump
physicalDescription: label: Measurements
content: overall: 53 in x 29 in x 27 in; 134.62 cm x 73.66 cm x 68.58 cm
label: Measurements
content: pump plate: 14 1/2 in; 36.83 cm
label: Measurements
content: overall: 54 in x 25 1/2 in x 23 1/2 in; 137.16 cm x 64.77 cm x 59.69 cm