Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 108
321,521 25,766 Circumscribed rectangle, 918 x 900 = 826,200Deduct 221,521 + 25,766 = 247,287 578,913 square feet. PLOTTING. 91 When it is difficult to measure along the boundaries of an estate, the sur-veys should be made along more convenient and accessible lines, which may beby a closed plot, as… … Fia. 197. The first work of the draughtsman is to complete the plot along the linesof the survey; work up the estimate of contents by traverse, and check bymeasures on the plot. Fig. 197 is an illustration. Find the cosine 49° 10 distance 215 = llOl sine 163-1 55° 25 152= 86-3 125-1 226-4 38 Line…
Mechanical drawing
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