Plane trigonometry, and its application to mensuration and land surveying. Accompanied with all the necessary logarithmic and trigonometric tables (1852)
Perkins, George R. (George Roberts), 1812-1876 · New York, D. Appleton · leaf 117
°E. 3-04 vc7i.S. 72i° E. 2-41 *S. 22f° E. 2-52 S. 83i° W. 2-97 1ST. 65f ° W. 2-42 « … AnsAA. 0B. 14JP. 4. Plot and compute the area of the field, which, surveyed inthe usual way, give the following:
Plane trigonometry · Surveying
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