Abbe Refractometer
date: label: date made
content: after 1937
name: label: maker
content: Bausch & Lomb Optical Company
notes: label: Description
content: Bausch & Lomb began making refractometers when World War I limited the import of European instruments coming into the United States. The inscription on this Abbé-type refractometer reads "Bausch & Lomb Optical Company Rochester N.Y. Ser. No. 77381 USA Pat. No. 2,080,841." The referenced patent, issued to Harold Straat in 1937 and assigned to Bausch & Lomb, described a new prism system and box for refractometers.
label: Description
content: Ref: Richard A. Paselk, “The Evolution of the Abbé Refractometer,” Bulletin of the Scientific Instrument Society 62 (1999): 19-22.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Rochester
topic: label: Subject
content: Optics
label: Subject
content: Chemistry
label: Subject
content: World War I
label: related event
content: World War I
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Saccharimeters
label: See more items in
content: Measuring & Mapping
creditLine: label: Credit Line
content: Miles E. Hess, Jr.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2000.0128.01
label: catalog number
content: 2000.0128.01
label: accession number
content: 2000.0128
objectType: label: Object Name
content: refractometer
physicalDescription: label: Measurements
content: overall: 39.5 cm x 19.2 cm x 22 cm; 15 9/16 in x 7 9/16 in x 8 21/32 in
label: Measurements
content: overall: 8 5/8 in x 15 1/8 in x 7 3/8 in; 21.9075 cm x 38.4175 cm x 18.7325 cm