Telescopic Alidade
name: label: maker
content: Eugene Dietzgen Company
notes: label: Description
content: This alidade belonged to the University of Pittsburgh. There is a level mounted below the telescope. The vertical circle is graduated on the rim to 30 minutes and read by vernier to single minutes. The base is skeletal. The “7049 EUGENE DIETZGEN CO. CHICAGO-NEW YORK” inscription refers to a firm that was established in Chicago in 1893. With the alidade there is a compass (serial number 6870), a wooden plumbing arm, and clamps for holding the paper.
label: Description
content: Ref: Eugene Dietzgen Co., <i>Catalogue & Price List</i> (Chicago, 1921), pp. 318–319.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
setName: label: See more items in
content: Medicine and Science: Physical Sciences
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content: Surveying and Geodesy
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content: Measuring & Mapping
publisher: label: Related Publication
content: Eugene Dietzgen Co.. Catalogue & Price List
creditLine: label: Credit Line
content: University of Pittsburgh
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.334894
label: catalog number
content: 334894
label: accession number
content: 315134
objectType: label: Object Name
content: alidade (telescopic)
label: Object Name
content: telescopic alidade
physicalDescription: label: Measurements
content: base: 20 3/4 in; 52.705 cm
label: Measurements
content: telescope: 11 in; 27.94 cm
label: Measurements
content: overall; case: 6 in x 22 1/8 in x 11 5/8 in; 15.24 cm x 56.1975 cm x 29.5275 cm