Elements of surveying and levelling; with descriptions of the instruments and the necessary tables (1870)
Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes & Company · leaf 65
provided with astaff or flag which can be easily seen. The fore-chain man, with the pins, and one handle of thechain in his right, starts off on the line, drawing out thechain to its full length. Both chainmen now examine it care-fully, to see if there are any kinks at the junction of thelinks.… … lished line. To facnitu-te this, and to insure the correct align-ment of the pin, at its proper distance, the chain and onepin should be held firmly in theright hand, as represented in thefigure. While the pin is beingaligned, it should be held by thefore-chainman as far from the bodyas possible,…
Surveying
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