Wye Level

Wye Level

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This wye level was made by Edmund Draper in Philadelphia, around 1870. The inscriptions read "E. Draper. Philad" and "294."
Currently not on view
Object Name
wye level
Draper, Edmund
place made
United States: Pennsylvania, Philadelphia
telescope: 16 in; 40.64 cm
overall in case: 9 5/8 in x 17 1/4 in x 5 3/4 in; 24.4475 cm x 43.815 cm x 14.605 cm
ID Number
accession number
catalog number
Credit Line
John R. Gerwig, Jr.
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Medicine and Science: Physical Sciences
Measuring & Mapping
Surveying and Geodesy
Data Source
National Museum of American History
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