Surveyor's Compass

Surveyor's Compass

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The "Edmund Draper / Philada 333" and "Warranted" inscriptions on the face of this incomplete surveyor’s compass refer to Edmund Draper (1805-1882), a mathematical instrument maker in Philadelphia. Draper began in business around 1832 and began using serial numbers around 1860.
Currently not on view
Object Name
surveyor's compass
Draper, Edmund
place made
United States: Pennsylvania, Philadelphia
overall: 13 3/4 in x 6 in; 34.925 cm x 15.24 cm
overall: 9 1/8 in x 13 3/4 in x 5 15/16 in; 23.1775 cm x 34.925 cm x 15.08125 cm
ID Number
catalog number
accession number
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Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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