R. Patten & Son Reflecting Level

Description
This level consists of a brass frame supporting a small piece of glass, partially silvered, that can be held by hand or mounted on a Jacob staff. M. Burel, a French military engineer, developed the form in the early decades of the 19th century. This example is marked "Richard Patten & Son Baltimore." It dates from the period 1853–1862, when Richard Patten & Son were working in Baltimore, Md.
Ref: M. Hachette, "Rapport . . . sur un nivea–réflecteur inventé par M. Burel, lieutenant–colonel au Corps royal du genie," Bulletin de la Societé d'Encouragement pour l'Industrie Nationale 26 (1827): 275–283.
D. J. Warner, "Richard Patten (1792–1865)," Rittenhouse 6 (1992): 57–63.
Location
Currently not on view
Object Name
level (Burel)
level
maker
Richard Patten and Son
Measurements
overall: 8 in x 4 in x 1 in; 20.32 cm x 10.16 cm x 2.54 cm
place made
United States: Maryland, Baltimore
ID Number
PH*328769
catalog number
328769
accession number
277166
subject
Measuring & Mapping
Surveying and Geodesy
See more items in
Medicine and Science: Physical Sciences
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center
cited
The Societé d'Encouragement pour l'Industrie Nationale. Bulletin de la Societé d'Encouragement pour l'Industrie Nationale

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