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Elements of surveying and leveling (1898)

Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 52

An illustration from Elements of surveying and leveling, 1898, leaf 52
armshould be braced against the insideof the right knee. The follower directs, by the simple orders right or left,according as the pin, held as described, is to be carried to the rightor left to bring it into line with the flag. When the pin is trulyin line, the chain at the same time being drawn… … Fig. 28.

Surveying

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