Alidade
Alidade
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- Description
- This brass alidade, with folding sights centered on the beveled edge, belonged to Mount St. Mary's College in Emmitsburg, Md. 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.
- Location
- Currently not on view
- Object Name
- alidade
- date made
- ca 1870
- maker
- Secretan, Marc Francois
- place made
- France: Île-de-France, Paris
- Physical Description
- brass (overall material)
- Measurements
- overall: 7 1/4 in x 22 in; 18.415 cm x 55.88 cm
- 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
- ID Number
- PH.326109
- catalog number
- 326109
- accession number
- 257245
- Credit Line
- Mount St. Mary's College
- See more items in
- Medicine and Science: Physical Sciences
- Measuring & Mapping
- Surveying and Geodesy
- Data Source
- National Museum of American History
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