A complete treatise on practical land-surveying, in seven parts; . 4 359040 ) Double areas372204 J collected. 2)731244 4 40 The true area is 3a. 2r. 25p. ; hence the false area is toomuch by 1r. 5p. Lastly, the dimensions still continuing, suppose the breadthtowards the middle to be greater than that at one end, and lessthan at the other; the false area will still be the same. BY THE TRUE METHOD. 232220001056 II 10C 000Base. 125 169 215Per. 215 ) 169/ per. 384 base. 23041920384 405504 169125 per. 294 base. 17641764588294 372204 90 laxd-slrveyixg. (Par
A complete treatise on practical land-surveying, in seven parts; . 4 359040 ) Double areas372204 J collected. 2)731244 4 40 The true area is 3a. 2r. 25p. ; hence the false area is toomuch by 1r. 5p. Lastly, the dimensions still continuing, suppose the breadthtowards the middle to be greater than that at one end, and lessthan at the other; the false area will still be the same. BY THE TRUE METHOD. 232220001056 II 10C 000Base. 125 169 215Per. 215 ) 169/ per. 384 base. 23041920384 405504 169125 per. 294 base. 17641764588294 372204 90 laxd-slrveyixg. (Part III. 2)7777^ Double areascollected. 40 The true area is 3a. 3r. 22p. ; hence the false area is toomuch by Sp. Thus we see the absurdity of a method which, however, hasbeen long practised, and is not yet abolished. 3. Draw a plan of an irregular piece of land, and find itsarea, from the following dimensions. A B 0 1325 246 1015 987 790 31S 71S 560 223 465 345 346 266 372 000 From A, go 136 58134 162 125 246East. A $?.». Part III.) LAND-SURVEYING. 91 Answer. Double areas. 361176 Offsets on the Ditto on the left. 2)1046036 sura. = 5a. Or. 36|p. the area required. 4. Find the area of five lands, from the following dimensions. 2378 185 2000 190 1700 194 1400 198 1000 200 700 195 400 189 000 185 Area 4a. 2r. 13^ p. 5. Required the area of six lands, from the following notes. 3422 189 3000 2500 204 2000 1800 226 1000 800 191 000 165 Area 6a. 3r. 12p. 6. Find the area of seven lands, from the following —In calculating the area, the half-links must be treated as decimals. 2900 99£ 2600 98J 2300 101 2000 97A 1900 100^ 1600 102 1300 99h 1000 10H 900 100 600 98i 300 100* 000 100 t Area 2a. 3r. 23|p. 92 LAND-SURVEYING. (Part III. 7. It is required to lay down a narrow piece of land, andfind its area, from the following dimensions. AB ?:- 1230 460 250 60 918 300 25 800 690 235 0 500 440 108 0 •300 100 216 15
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