Smithsonian - National Museum of American History, Behring Center

 
Physical Sciences Collection - Surveying and Geodesy

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Wye Level

Catalogue number:
PH*309825

Inscriptions:
"Dollond, London" and "HIBERNIAN MINING COMPANY"

Dimensions:
telescope 11 inches long; compass needle 3.4 inches

Discussion:

This level probably dates from the first half of the 19th century when this form--with a magnetic compass mounted below the telescope--was in use.

Further Information:

Level

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