A complete treatise on practical land-surveying, in seven parts; . 00 Double 2080 199 18100 )? areas 50 9950 collected 32 75 9950 107252950^ 107100 93 66605 Sum. 50 10700 143 75 715 1001 10725 ? 5060 3000 6085 14550 7250 85 72 157__50 7850 Offsets taken on the line B C. 7232 104150 5200104 15600 78__32 156234 2496 181 25 905362 4525 f Double15600 r ™e™ a2496 V collected. 4525 40721 Sum. 130 LAND-SURVEYING. (Part IV. 10050 5000 5044 94 1009400 15644 624 624_ 6864 148 52 2967407696 Offsets taken on the line C I>, 52 84 136 200 27200 8475 159200 31800 7550 125100 12500 75 _503750
A complete treatise on practical land-surveying, in seven parts; . 00 Double 2080 199 18100 )? areas 50 9950 collected 32 75 9950 107252950^ 107100 93 66605 Sum. 50 10700 143 75 715 1001 10725 ? 5060 3000 6085 14550 7250 85 72 157__50 7850 Offsets taken on the line B C. 7232 104150 5200104 15600 78__32 156234 2496 181 25 905362 4525 f Double15600 r ™e™ a2496 V collected. 4525 40721 Sum. 130 LAND-SURVEYING. (Part IV. 10050 5000 5044 94 1009400 15644 624 624_ 6864 148 52 2967407696 Offsets taken on the line C I>, 52 84 136 200 27200 8475 159200 31800 7550 125100 12500 75 _503750 5000] 9400 6864 Double 7695 ] [? areas 27200 collected 31800 12500 3750 J 104210 Sura, Offsets taken on the line D A. 33 50 100 28 3300 78 100 3365 7800 98 115 ioa 28 9800 £20 230 65 3220 50 :—:— 115 100 11500 3300^ 9800 / Double11500 > areas 7800I collected. 3220.)35620 Sum. Part IV.) LAND-SURVEYING. 131 Whole -double area* collected. 1270308 66605 40721 104210 35620 2)1517464 40 Area 7a. 2r. 14p. BY Having constructed the figure, draw the four dotted linesA B, B C, C D, and D A, in such a manner, that the parts in-cluded may be equal to those excluded; then the diagonal A C,will be found = 1364, and the perpendiculars Da = 636, andBa = 476 links. k2 182 LAND-SURVEYING, (Part IF. 636476 per. 1112 diag,4448667233361112 2) 4 Area 7a. 2r. 13p. 4. It is required to find the area of a field, from the followingnotes, BD 1460 Dif 1000 Return to B. AC 1480 Dh 1000 R. off A. DA 672 R. off D. CD 1244 0 1000 47 800 70 600 85 400 68 200 30 000 0 r. off c. Part IV.) LAND-SURVEYING, 133 BC 0 720 85 650 112 550 88 450 360 Cross the fence. 300 83 200 130 100 100 000 0 R, off B, AB 1350 1000 n at A. Range W, c
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