Hand Level
name: label: Maker
content: James W. Queen & Co.
notes: label: Description
content: John Locke, a physician and scientist in Cincinnati, Ohio, described a reflecting level at a meeting of the Association of American Geologists and Naturalists in 1842, and obtained a patent (#7,477) in 1850. Locke's instrument consists of a small spirit level on a brass sighting tube, with a small diagonal reflector so arranged that the user can see the bubble and a distant sight at the same time.
label: Description
content: This example belonged to Spencer Fullerton Baird (1823-1887, the naturalist who served as the second Secretary of the Smithsonian. A paper label on the box reads “FROM / JAMES W. QUEEN & CO., / OPTICIANS / NO. 92½ CHESTNUT ST., PHILADELPHIA.”
label: Location
content: Currently not on view
place: label: place made
content: United States: Pennsylvania, Philadelphia
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.284275
label: catalog number
content: 284275
label: accession number
content: 55865
objectType: label: Object Name
content: Hand Level
physicalDescription: label: Measurements
content: overall: 3.2 cm x 12.3 cm x 4.4 cm; 1 1/4 in x 4 27/32 in x 1 23/32 in
label: Measurements
content: overall in box: 1 1/4 in x 4 13/16 in x 1 13/16 in; 3.175 cm x 12.22375 cm x 4.60375 cm