Locke Hand Level
name: label: maker
content: Eugene Dietzgen Company
notes: label: Description
content: John Locke, a 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 consisted 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: The inscription on this example reads "DIETZGEN."
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: LaVerne Watkins
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1989.0403.14
label: catalog number
content: 1989.0403.14
label: accession number
content: 1989.0403
objectType: label: Object Name
content: hand level
physicalDescription: label: Measurements
content: case: 7 3/4 in x 1 3/4 in x 1 1/4 in; 19.685 cm x 4.445 cm x 3.175 cm
label: Measurements
content: object: 5 in x 1 1/4 in x 1 in; 12.7 cm x 3.175 cm x 2.54 cm
label: Measurements
content: overall in pouch: 6 3/4 in x 2 in x 1 1/2 in; 17.145 cm x 5.08 cm x 3.81 cm