Photographs from Surveying in Early America
Unless otherwise noted, these photographs were taken by Dan Patterson.
11 resources. Showing results 1 through 10.
Uploaded b. Replica of Fort Necessity
c. Simple Survey by George Washington
d. A surveyor's field tent
d. Engraved image done with surveying equiptment
f. Photo from surveying class at Sinclair Community College
g. Engraving of a theodolite
h. Triangle with weighted 'plum bob'
i. Groma
j. Triangles to calculate distance