The Practical Miner's Guide: a Treatise On Mine Engineering
The Practical Miner's Guide: a Treatise On Mine Engineering
J John Budge
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deg. ft. in. No. deg. ft. in, 1 8i KofS. 26 10 2 11 aofW. 15 3 4f S. of W. 19 6 4 l:^^ N. of W. 20 5 9i N. of W. 52 3 6 IJ S. ofW. 44 7 7 S. of W. 26 8 9j^S. of W. 22 8 9 2i £. of S. 43 10 It is now required to know if there is an exact agreement between these two surveys, or fore and back diallings (or what is the diflferenoe between them), and if so, what is the length and bearing from the centre of Pendarves shaft, at the surface, to the point exactly over the end of the level where the cent...re of the new shaft must be fixed ? Digitized by VjOOQIC 98 THE PRACTICAL MINER'S GUIDJC. OFBBATION. — FROM PS2n>ABTB6' SHAFT TO EASTKBN END. Na Drafts Angles and Lines. Bearings. yii 3« W. of N, 7i N. of E. N. of E. East 12 B.ofE. 6f S. of B. 15 a OfE. 5 N.ofE. 12} N. of E. 9 W. ofN. Lengths ft in. 45 Easting Trigonometrical Results. East ft. in. 94 3-7 17 9-6 49 10 29 41 26 9-8 15 10-3 20 11-0 14 3-0 198 4-5 6 88 191 7-7 West ft. in. 2 4'8 4 4« 6 8-8 Northing North. ft. in. 44 ll-S 3 11 8 7-9 1 10-0 3 11 27 79 83 3-2 13 7-» 69 7-3 South.
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