Ophthalmometer
date: label: Date made
content: c. 1925 (tag)
label: date made
content: c. 1925
name: label: maker
content: F.A. Hardy & Co.
notes: label: Description
content: The “C. I. Ophthalmometer / PAT Aug. 22, 99 / Chicago, Ill. U.S.A.” inscription on this instrument refers to Chambers, Inskeep & Co. This firm was established as the Ottumwa Optical Co., in Ottumwa, Iowa, in 1887. It moved to Chicago in 1888; became Chambers, Inskeep & Co. in 1889; and was purchased by the F. A. Hardy Company in 1903
label: Description
content: Ref: Charles Chambers Inskeep and John Edgerly Chambers, “Ophthalmometer,” U.S. Patent 631,307 (Aug. 22, 1899).
label: Description
content: “A New Ophthalmometer,” <i>The Jewelers Review</i> (May 24, 1899): 652.
label: Description
content: “Chambers and Inskeep’s Improved Ophthalmometer,” <i>Journal of the Royal Microscopical Society</i> (1902): 709-712.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
topic: label: associated subject
content: Ophthalmology
setName: label: See more items in
content: Medicine and Science: Medicine
label: See more items in
content: Health & Medicine
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN83566U45
objectType: label: Object Name
content: Keratometer (ophthalmometer)
label: Other Terms
content: Keratometer; Keratometer (ophthalmometer); Medicine
physicalDescription: label: Measurements
content: overall: 60 cm x 45 cm x 31 cm; 23 5/8 in x 17 11/16 in x 12 3/16 in