A treatise on land-surveying; comprising the theory developed from five elementary principles; and the practice with the chain alone, the compass, the transit, the theodolite, the plane table, &c. Illustrated by four hundred engravings, and a magnetic chart (1875)
Gillespie, W. M. (William Mitchell), 1816-1868 · New York, D. Appleton · leaf 94
.30 as a new starting point byand by. Then from C measure 19 chains to A again ; then mea-sure from A to B, and from B back to the pole left at 7.50 on themain line. i- (129) The example which will now be given shows part of theField-notes, the plat, (on a scale of 6 inches to 1 mile [1:… … Capt. Frome, in his Trigonometrical Survey, from which this exanap!*has been condensed, remarks, It may, perhaps, be thought that too much streM•8 laid on forms ; but method is a most essential part of an undertaking of magni*tuie: and without excellent preliminary aiTangements to ensure uniformity…
Surveying
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