Elementary and practical treatise on subterraneous surveying. Also The method of conducting subterraneous surveys without the use of the magnetic needle, by T. Baker1861 |
Common terms and phrases
80 links 8th column ABCD ABCDF angle formed bearing and distance Bearing Lengths C.E. In demy candle centre chains of easting chains of northing chalk mark CHARLES TOMLINSON Chns circumferentor coal stratum commencement degrees contained demy 12mo different meridians direction ditto draw the line ENGINEERING English Notes Engravings equal EXAMPLE fixing the instrument form an angle High Holborn holed Bord holed horizontal distance instrument whose needle John Weale line NS magnetic needle magnetic variation magnitude meridian line meridian NS north magnetic meridian northing and easting number of degrees number of tons object will bear plan's meridian Plates PREPARATORY TABLE price 18 protractor remove the instrument represent S.
E. or W. N. second bearing shaft subterraneous excavation Suppose the bearing surface survey-book Take the bearing tance theodolite theorem traverse tables true meridian vols W. D. HAMILTON W. N. or S.
E. west variation wish to know Woodcuts
Popular passages
Page 6 - In order to obtain accurate measurements each degree is divided into 60 equal parts called minutes and each minute is divided into 60 equal parts called seconds.
Page v - Edition. 4s. t 117. SUBTERRANEOUS SURVEYING, an Elementary and Practical Treatise on. By THOMAS FENWICK. Also the Method of Conducting Subterraneous Surveys without the Use of the Magnetic Needle, and other Modern Improvements. By THOMAS BAKER, CE Illustrated. 2s. 6d.t 118. CIVIL ENGINEERING IN NORTH AMERICA, a Sketch of. By DAVID STEVENSON. FRSE, &c. Plates and Diagrams. 3s. 197. ROADS AND STREETS (THE CONSTRUCTION OF), in two Parts: I.