Reflecting Level
name: label: maker
content: Richard Patten and Son
notes: label: Description
content: In this level, a brass frame supporting a small piece of glass, partially silvered, can be held by hand or mounted on a Jacob staff. M. Burel, a French military engineer, described an instrument of this sort in 1827. The "Richard Patten & Son Baltimore" inscription indicates a date of 1853–1862.
label: Description
content: Ref: M. Hachette, "Rapport . . . sur un nivea–réflecteur inventé par M. Burel, lieutenant–colonel au Corps royal du genie," <i>Bulletin de la Societé d'Encouragement pour l'Industrie Nationale</i> 26 (1827): 275–283.
label: Description
content: D. J. Warner, "Richard Patten (1792–1865)," <i>Rittenhouse</i> 6 (1992): 57–63.
label: Location
content: Currently not on view
place: label: place made
content: United States: Maryland, Baltimore
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: The Societé d'Encouragement pour l'Industrie Nationale. Bulletin de la Societé d'Encouragement pour l'Industrie Nationale
creditLine: label: Credit Line
content: Mr. W. B. Van Wagner
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.328769
label: catalog number
content: 328769
label: accession number
content: 277166
objectType: label: Object Name
content: level
label: Object Name
content: reflecting level
physicalDescription: label: Measurements
content: overall: 8 in x 4 in x 1 in; 20.32 cm x 10.16 cm x 2.54 cm
label: Measurements
content: overall: 7 15/16 in x 3 15/16 in x 1 1/4 in; 20.16125 cm x 10.00125 cm x 3.175 cm