SURVEYING AND MINE VALUATION. 17 



FOURTEENTH EDITION, Revised. Greatly Enlarged. Pp. i-xviii + 477. 

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A TREATISE ON MINE-SURVEYING: 



For the use of Managers of Mines and Collieries, Students 



at the Royal School of Mines, dc. 

 BY BENNETT H. BROUGH, Assoc.R.S.M., F.G.S. 



Revised and Enlarged by HARRY DEAN, M.Sc., A.R.S.M. 



CONTENTS. General Explanations. Measurement of Distances. Chain Surveying. 

 Traverse Surveying. Variations o fthe Magnetic-Needle. Loose-Needle Traversing. 

 Local Variations of the Magnetic-Needle. The German Dial. The Vernier Dial. The 

 Theodolite. Fixed-Needle Traversing. Surface-Surveying with the Theodolite. Plot- 

 ting the Survey. Plane-Table Surveying. Calculation of Areas. Levelling. Under- 

 ground and Surface Surveys. Measuring Distances by Telescope. Setting-out. Mine- 

 Surveying Problems. Mine Plans. Applications of the Magnetic-Needle in Mining. 

 Photographic Surveying. APPENDICES. INDEX. 



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THE EFFECTS OF 

 ERRORS IN SURVEYING. 



BY HENRY BRIGGS, M.Sc. 



CONTENTS. Introduction. Analysis of Error. The Best Shape of Triangles. 

 Propagation of Error in Traversing. Application of the Methods of determining Average 

 Error to certain Problems in Traversing. Propagation of Error in Minor Triangulation. 

 Summary of Results. APPENDIX. INDEX. 



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 treatise." Engineer. 



THIRD EDITION, Thoroughly Revised and greatly Enlarged. In Crown 



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A HANDBOOK ON 



THEODOLITE SURVEYING AND LEVELLING. 



For the use of Students in Land and Mine Surveying. 

 BY PROFESSOR JAMES PARK, F.G.S. 



CONTENTS. Scope and Object of Surveying. Theodolite. Chains and Steel Bands 

 Obstacles to Alignment. Meridian and Bearings. Theodolite Traverse. Co-ordinates 

 of a Station. Calculation of Omitted or Connecting Line in a Traverse. Calculation oi 

 Areas. Subdivision of Land. Triangulation. Determination of True Meridian, Lati- 

 tude, and Time. Levelling. Railway Curves. Mine Surveying. INDEX. 



"A book which should prove as useful to the professional surveyor as to the 

 student. " Nature. 



In Handsome Cloth. With Diagrams. 



PRACTICAL SURVEYING AND FIELD-WORK. 



Including the Mechanical Forms of Office-Calculations, 



BY VICTOR G. SALMON, M.A. 

 For Contents see page 31 General Catalogue. 



In Medium 8vo. Fully Illustrated. Pp. i-xi + 160. 10s. 6d. net. 



MODERN MINE VALUATION. 



BY M. HOWARD BURNHAM, B.Sc., M.A.I.M.E., 



Late H.M. Inspector of Mines for the Transvaal. 



CONTENTS. Preliminary Considerations. Block Calculations. Bases of Sound Valua- 

 tion. Sampline. Explanation of Sinking Fund Table (XXII). APPENDIX. INDEX. 

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