Dumpy Level
name: label: maker
content: C.L. Berger and Sons
notes: label: Description
content: This instrument is marked "C. L. Berger & Sons. Boston, Mass. ML 1172 MADE IN U.S.A." and was probably made during World War II. Berger described it as an Engineers' Tilting Dumpy Level Model No. 10-X, noting that it was a "Wartime Development to simplify and expedite Peacetime Engineering Procedure." It was speedy, accurate, simplified, and streamlined, and could be used at night. This example belonged to the United States Geological Survey. It has an ivory finish, and the case is olive drab. The ML in the serial number may indicate that it was made for military use.
label: Description
content: Ref: C. L. Berger & Sons, Inc., <i>A Berger Instrument of Precision for Engineering and Surveying</i> (Boston, 1945).
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Boston
setName: label: See more items in
content: Medicine and Science: Physical Sciences
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content: Military
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content: Surveying and Geodesy
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content: Measuring & Mapping
publisher: label: Related Publication
content: C. L. Berger & Sons, Inc.. Berger Instrument of Precision for Engineering and Surveying
creditLine: label: Credit Line
content: U.S. Department of the Interior, Geological Survey
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1982.0671.14
label: accession number
content: 1982.0671
label: catalog number
content: 1982.0671.14
objectType: label: Object Name
content: level (dumpy)
physicalDescription: label: Measurements
content: telescope: 9 1/4 in; 23.495 cm
label: Measurements
content: overall: 9 1/4 in x 11 1/2 in x 8 1/2 in; 23.495 cm x 29.21 cm x 21.59 cm