Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 245
paper. Draw lines at right angles to the front lines, andon them lay off the depths of the houses, with the same scaleas that used for the base line. To find the length of any line drawn on the paper, as theline 1, drawn through A, for example, place the dividers at Aand extend them to the other… … p SEC. II.] FILLING UP THE SURVEY. 239 Changing the Paper. 272. When one paper is filled, and there is yet more workto be done, let the paper be removed, and a second paper puton the table; after which, the table may be used as before. Now, in order that the .two papers may be put together andform…
Surveying
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