Air Pump
name: label: maker
content: E. S. Ritchie & Sons
notes: label: Description
content: This small table top air pump was used in the Physics Department at Union College. The “E. S. Ritchie & Sons / Boston” tag refers to an instrument firm that began trading as such in 1867. An inscription on the top of the cylinder reads “Patented Nov. 19, 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), pp. 23-24.
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.327552
label: accession number
content: 266154
label: catalog number
content: 327552
objectType: label: Object Name
content: Air Pump
physicalDescription: label: Measurements
content: average spatial: 22 in x 24 in x 14 in; 55.88 cm x 60.96 cm x 35.56 cm