Encyclopædia Britannica 1771–1860

‹ SURVIVORSHIP5th ed. (1815) · vol. 20 · p. NoneSURYA ›

SURVEYING

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SURVEYING.

PLATE XXV.

Fig. 1.

Geometric diagram of a quadrilateral with vertices A, B, C, D, E, F and diagonals intersecting at point O.

Fig. 2.

Diagram of a surveying instrument, possibly a theodolite, mounted on a tripod stand.

Fig. 4.

Geometric diagram of a pentagon with vertices A, B, C, D, E, F, G and internal lines connecting the vertices.

Fig. 5.

Fig. 6.

3	210
0	160
30	130
	30 3 3 1/2	N.W.
	0 6
13	350
25	320
15	220
15	30
	28 1 50	W.
	0 3
	13 30
	1700	30
	1150	30 + 20
	1050	20
30	750	10
15 30	480	5
25	410	15
30	180	20
15	32 6 0	N.E.
	0 4
	20 3	5
55	80
	37 4 3 1/2	N.E.
	0 3
	265	20
30	200	24 30
15	150	50
15	23 3 10	N.E.
	0 2
	700	55
15	400	10
20	300	25
20	0	30 + 40
10	60 6 0	N.E.
	0 1

Fig. 3.

Diagram of a trapezoid with vertices A, B, C, D and a central point E with radiating lines.

Fig. 7.

	1794	to l
	1464	22
	1050
	920	52
	650	60
	330	48
	0	14
a	3074	to b
	2404
	2100	l
	2072
	1730
	1550
	1420	k
	1170
	620
	280	40
j	2574	j
	2404
	2000	44
	1880	30
	1840
	1794	i
	1464
	1328
	96
	1130
	860
	190
h	4450	h
	3570	g
	2620	f
	2590
	2210
	2080	e
	1574	d
	1350
	1310	c
	990	b
a	806

Washbath south