76 Wright’s Mathematical Papers. 
C.S.N.S. E.W. C.S.N.S. E. W. 
S. 84° W. 26 —95.86 ||S.84° W. AC | —Az—kC 
00.00 OG 
2.72 — 25.86 ik. | —Ai—kC 
N. 59° E. 25 21.43 || N.59°9 E.CF | Ck--mF 
4,43 —lk 
12.88 17.00 km QnK 
S. 34° W. 8 —4.47 ||S.349°W.FG| —Fn 
12.53 2nF — Fn 
6.63 8.06 nG | 2rG 
N. 59° E.18 15.43 || N.59° E.GH| ~~ oH 
93.49 2rG+oH 
9.27 38.92 Go 2gH 
S. 27° W. 14.37 —6.53 || S.27°W. HA! —H 
32.39 2gH —Hp 
12.80 25.86 pA Ai+kC 
_ NE. SW. NW.SE. NE. SW. NW. SE. 
217.7523 57.0584 2GHg@r 2DEAl . 
83.0739 2EGrm 
414.5920 2H Arg 
554.7243 
217.7523 
336.9720 
168.4860 
Geometrical illustration. 
Take a plot ACFGH of the field. Draw the meridian line gf, 
bisecting the first side AC. Also the departures AczkC, CkmF, Fn, 
oH, Hp; the northings, km, Go, and the southings, ik, nG, pA. 
Draw Di parallel with Em, making the triangle CD/, equal to EF'm. 
