The Draughtsman's Handbook of Plan and Map Drawing / Including instructions for the preparation of engineering, architectural, and mechanical drawings.

Inclined Measure.

Table showing the Reduction in Links and Decimals of a Link to be made per Chain for every Half Degree of Inclination from 3° to 30°.

(100 × versed sine of the inclination.)
Angle.		Reduc- tion.
°	'
3	0	0·15
3	30	0·19
4	0	0·24
4	30	0·31
5	0	0·38
5	30	0·46
6	0	0·55
6	30	0·64
7	0	0·75
7	30	0·86
8	0	0·97
8	30	1·10
9	0	1·23
9	30	1·37
10	0	1·53
10	30	1·67
11	0	1·84
11	30	2·01
12	0	2·19
12	30	2·37
13	0	2·56
13	30	2·76
14	0	2·97
14	30	3·19
15	0	3·41
15	30	3·64
16	0	3·87
16	30	4·12
17	0	4·37
17	30	4·63
18	0	4·89
18	30	5·17
19	0	5·45
19	30	5·74
20	0	6·03
20	30	6·33
21	0	6·64
21	30	6·96
22	0	7·28
22	30	7·61
23	0	7·95
23	30	8·29
24	0	8·65
24	30	9·01
25	0	9·37
25	30	9·74
26	0	10·13
26	30	10·51
27	0	10·90
27	30	11·30
28	0	11·71
28	30	12·11
29	0	12·53
29	30	12·96
30	0	13·40

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