Gurley Wye Level

Description
This is a standard architect's level with a relatively short telescope and a small graduated horizontal circle. Gurley began making levels of this sort in 1874 and was still making them fifty years later. According to Gurley hyperbole, this level was “extensively used by intelligent and enterprising architects, builders and millwrights on construction and building work, as well as by engineers and surveyors in the grading of streets, sewers, irrigation ditches and drains.” This example is marked "W. &. L. E. GURLEY TROY N.Y." The lack of serial number indicates that it was made before 1908.
Ref: W. & L. E. Gurley, Gurley Engineering Instruments (Troy, N.Y., 1920), pp. 68-69.
Location
Currently not on view
Object Name
level (wye)
maker
W. & L. E. Gurley
Measurements
overall: 6 7/8 in x 4 7/8 in x 12 3/8 in; 17.4625 cm x 12.3825 cm x 31.4325 cm
place made
United States: New York, Troy
ID Number
1982.0701.05
catalog number
1982.0701.05
accession number
1982.0701
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center

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