A treatise on surveying, comprising the theory and the practice ; (1887)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, 1840- [from old catalog] ed · New York, D. Appleton and company · leaf 379
lines which markthe tenths. The inventorclaims that it can be read ninetimes as far as Gravatts. On all speaking - rods, toavoid confounding numbers, such as 3 and 8, they may be markedthus : 1 . 2 . Ill . 4 . V . 6 . 7 . 8 . IX . X . 11 . XII.The French, who go by tenths, use the following :1 . 2… … i A* t THE PRACTICE.536. Field Routine; or, how to start and go on : 1. The rodman holds the rod on the starting-point, which maybe a peg, a door-sill, or other bench-mark. He stands squarebehind his rod, and holds it as nearly vertical as possible. 2. The leveler sets up the instrument, somewhere…
Surveying
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