Air Pump
name: label: maker
content: E. S. Ritchie & Sons
notes: label: Description
content: This large lever-action air pump came from the Department of Physics at Amherst College. The “E. S. RITCHIE & SONS / 36 / BOSTON” tag refers to an instrument firm that began trading as such in 1867.
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 Physical Instruments</i> (Boston, 1878), p. 24.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Boston
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.328740
label: accession number
content: 277678
label: catalog number
content: 328740
objectType: label: Object Name
content: Air Pump
physicalDescription: label: Measurements
content: overall: 48 in x 21 in x 60 in; 121.92 cm x 53.34 cm x 152.4 cm