Alidade
date: label: date made
content: ca 1870
name: label: maker
content: Secretan, Marc Francois
notes: label: Description
content: Brass alidade with folding sights centered on the beveled edge. A label in the box reads: "Lerebours & Secretan, Secretan Successeur, Optician de S. M. l'Empereur, de l'Observatoire & de la Marine. Magasins: 13, Rue Du Pont-Neuf, Ateliers: 9, Rue Mechain, Faubg St. Jacques Paris." The address of the atelier suggests a date of around 1870. The firm was still in business in 1930.
label: Location
content: Currently not on view
place: label: place made
content: France: Île-de-France, Paris
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
creditLine: label: Credit Line
content: Mount St. Mary's College
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.326109
label: catalog number
content: 326109
label: accession number
content: 257245
objectType: label: Object Name
content: alidade
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 7 1/4 in x 22 in; 18.415 cm x 55.88 cm
label: Measurements
content: overall in case: 2 1/4 in x 22 7/8 in x 3 5/8 in; 5.715 cm x 58.1025 cm x 9.2075 cm