Subterraneous Surveying with and Without the Magnetic NeedleCrosby Lockwood and Son, 1892 - 221 páginas |
Outras edições - Ver tudo
Subterraneous Surveying: With and Withour the Magnetic Needle Thomas Fenwick,Thomas Baker Visualização integral - 1898 |
Subterraneous Surveying, with and Without the Magnetic Needle Thomas Fenwick Visualização integral - 1871 |
Palavras e frases frequentes
6th column 80 links ABCD ABCDF angle formed Architect bearing and distance Bearing Lengths centre chains of easting Chns circumferentor cloth boards commencing Construction Crown 8vo D. K. CLARK degrees contained direction Engineering Enlarged equal EXAMPLE fixing the instrument form an angle half-bound Handbook headways HENRY LAW horizontal distance instrument whose needle let the bearing magnetic needle magnetic variation magnitude meridian line meridian NS meridian of 23 method Mining number of degrees number of tons plan's meridian Plates plotted Practical Treatise PREPARATORY TABLE protractor remove the instrument Revised S.
E. or W. N. SCOTT BURN seam Second Edition shaft south magnetic meridian strongly bound student subterraneous excavation Suppose the bearing surface survey-book Surveyor Take the bearing tance theodolite theorem Third Edition tion traverse tables true meridian W 8 chains W. N. or S.
E. west variation wish to know Woodcuts
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