Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 289
e have been made to correspond to a rise of 282 ELEMENTS OF SURVEYING. [book VII. A trial at 11 ft. with a reading of the rod of 10.4, indicates acut of 7.4. This multiplied by IJ gives 11.1, which is very nearlyright; y^^ is therefore the record for the location of S. The completed notes for this… … Fig. 147. Dist. Left. Centre Cut. Right. — 15.8 —12.823.7 A -11.7 -8.6 —8.4A 12.6 The filling at the centre is assumed to be 11.7 ft., whichappears in the column of centre cut, with its appropriate sign. The reading of the rod, at the centre, as shown by the dia-gram, is 7.2. SEC. v.] •…
Surveying
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