Elements of Surveying with a Description of the Instruments and the Necessary Tables Including a Table of Natural Sines |
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Page 61
C. Davies. 0 Deg . Nat . M Sine 1 Deg . 2 Deg . 3 Deg . N. Co- Sine Nat . N. Co- Nat . IN . Co- Sine Sine Sine Sine Nat . N. Co- 4 Deg . Nat . IN . Co- Sine Sine Sine Sine M 000000 Unit . 01745 99985 03490 99939 05234 99863 06976 99756 ...
C. Davies. 0 Deg . Nat . M Sine 1 Deg . 2 Deg . 3 Deg . N. Co- Sine Nat . N. Co- Nat . IN . Co- Sine Sine Sine Sine Nat . N. Co- 4 Deg . Nat . IN . Co- Sine Sine Sine Sine M 000000 Unit . 01745 99985 03490 99939 05234 99863 06976 99756 ...
Page 62
... Deg . 9 Deg . 5 Deg . 7 Deg . 8 Deg . M N. S. IN . CS . N. S. N. CS . N. S. IN . CS . N. S. N. CS . N. S. IN . CS . M 008716 99619 10453 99452 12187 99255 13917 99027 15643 98769 60 ... Deg . 81 Deg . 82 Deg . 66 A TABLE OF NATURAL SINES .
... Deg . 9 Deg . 5 Deg . 7 Deg . 8 Deg . M N. S. IN . CS . N. S. N. CS . N. S. IN . CS . N. S. N. CS . N. S. IN . CS . M 008716 99619 10453 99452 12187 99255 13917 99027 15643 98769 60 ... Deg . 81 Deg . 82 Deg . 66 A TABLE OF NATURAL SINES .
Page 63
... Deg . 14 Deg . N. S. N. CS . M 24192 97030 60 12 Deg . 13 Deg . N. 8. N. CS . N. S. IN . CS . N. S. IN . CS . 017365 98481 19081 98163 20791 97815 22495 97437 117393 98476 19109 98157 ... Deg . 77 Deg . 76 Deg . A TABLE OF NATURAL SINES . 67.
... Deg . 14 Deg . N. S. N. CS . M 24192 97030 60 12 Deg . 13 Deg . N. 8. N. CS . N. S. IN . CS . N. S. IN . CS . 017365 98481 19081 98163 20791 97815 22495 97437 117393 98476 19109 98157 ... Deg . 77 Deg . 76 Deg . A TABLE OF NATURAL SINES . 67.
Page 64
C. Davies. 15 Deg . MN.S. 16 Deg . 17 Deg . N. S. IN . CS . 18 Deg . 19 Deg . N. CS . N. S. N. CS . N. S. N. CS . N. S. IN CSM 025882 96593 27564 96126 29237 95630 30902 95106 32557 ... Deg . 71 Deg . 70 Deg . 68 A TABLE OF NATURAL SINES .
C. Davies. 15 Deg . MN.S. 16 Deg . 17 Deg . N. S. IN . CS . 18 Deg . 19 Deg . N. CS . N. S. N. CS . N. S. N. CS . N. S. IN CSM 025882 96593 27564 96126 29237 95630 30902 95106 32557 ... Deg . 71 Deg . 70 Deg . 68 A TABLE OF NATURAL SINES .
Common terms and phrases
acres adjusted angle of elevation axis azimuth back-sights base line called centre clamp-screw coincide column comp compass Cosine D Cosine Sine Cotang course curve decimal degrees determined difference of level direction divided double meridian distance draw east elongation error example feet field notes figure given angle given line given point ground Gunter's chain half hence horizontal angle horizontal distance horizontal plane hypothenuse inches instrument intersection latitude and departure length levelling screws line AC line of collimation logarithm M.
M. Sine marked measure method multiplied natural sines needle object paper parallel passing perpendicular piece of land pins plane of reference protractor radius right angles right-angled triangle rods scale of equal secant side similar triangles spider's lines square chains staff subtract surface survey Tang tangent theodolite true meridian vernier plate vertical limb yards