Heller & Brightly Wye Level

Description
The inscriptions on this small level read "HELLER & BRIGHTLY, Philad" and "U.S.G.S. 82." The U. S. Geological Survey transferred this instrument to the Smithsonian in 1908, noting that it had been used by the Water Resources Branch of the Survey but was no longer suited to the work of the organization. It must have been made to order, as it does not have a Heller & Brightly serial number, and it is not listed in Heller & Brightly's Remarks on Engineers' Surveying Instruments.
Location
Currently not on view
Object Name
level (wye)
maker
Heller & Brightly
Measurements
telescope: 6 1/4 in x 3 3/8 in x 11 3/4 in; 15.875 cm x 8.5725 cm x 29.845 cm
place made
United States: Pennsylvania, Philadelphia
ID Number
PH*248698
catalog number
248698
accession number
48341
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

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