Pocket Alt-Azimuth
name: label: maker
content: Keuffel & Esser Co.
notes: label: Description
content: This pocket alt-azimuth combines a sighting telescope with a magnetic compass for determining bearings, and a pendulum (or wheel) clinometer for determining vertical inclinations. It is small, compact, and accurate, and was said to be especially useful for travelers and military surveys. The vertical circle is marked “KEUFFEL & ESSER, N.Y.” The base is marked “U.S.G.S.”
label: Location
content: Currently not on view
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.247919
label: catalog number
content: 247919
label: accession number
content: 47736
objectType: label: Object Name
content: pocket alt-azimuth
label: Object Name
content: Pocket Alt-Azimuth Instrument
physicalDescription: label: Measurements
content: overall: 1 1/4 in x 6 9/16 in x 6 1/2 in; 3.175 cm x 16.66875 cm x 16.51 cm
label: Measurements
content: overall: 1 1/4 in x 6 5/8 in x 6 7/16 in; 3.175 cm x 16.8275 cm x 16.35125 cm