Alidade
date: label: date made
content: 1871-1898
name: label: maker
content: Buff & Berger
notes: label: Description
content: This alidade belonged to Columbia University. Its vertical arc, which extends 35 degrees either way, is graduated to 30 minutes and read by vernier to 2 minutes. The base has a skeletal structure, making it light and stiff. There is a separate striding level and trough compass. The "BUFF & BERGER BOSTON 2157" inscription refers to a firm that traded, as such, from 1871 to 1898.
label: Description
content: Ref: Buff & Berger, <i>Hand-Book and Illustrated Catalogue of the Engineers' and Surveyors' Instruments</i> (Boston, 1890), p. 104b.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Boston
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Surveying and Geodesy
label: See more items in
content: Measuring & Mapping
publisher: label: Related Publication
content: Buff & Berger. Hand-book and Illustrated Catalogue of the Engineers' and Surveyors' Instruments, Made by Buff & Berger
creditLine: label: Credit Line
content: Columbia University
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.335213
label: catalog number
content: 335213
label: accession number
content: 317998
objectType: label: Object Name
content: alidade
physicalDescription: label: Measurements
content: telescope: 17 in; 43.18 cm
label: Measurements
content: overall: 5 in x 22 3/4 in x 10 1/4 in; 12.7 cm x 57.785 cm x 26.035 cm