Part 2 — Inclined Measure.
Reading edition
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