WORKS ON MINING. 59 



MINE-SURVEYING (A Treatise on): 



For the use of Managers of Mines and Co/lieriea, Students 

 at the Royal School of Mines, &c. 



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



Formerly Instructor of Mine-Surveying, Royal School of Mines, 



SEVENTH EDITION, Enlarged and Revised. With Numerous Diagrams. 

 Cloth, ;s. 6d. 



GENERAL CONTENTS. 



General Explanations Measurement of Distances Miner's Dial Variation of 

 the Magnetic-NeedleSurveying with the Magnetic-Needle in presence of Iron 

 Surveying with the Fixed Needle German Dial Theodolite Traversing Under- 

 ground Surface-Surveys with Theodolite Plotting the Survey Calculation of 

 Areas Levelling Connection of Underground- and Surface-Surveys Measuring 

 Distances by Telescope Setting-out Mine-Surveying Problems Mine Plans 

 Applications of Magnetic-Needle in Mining Photographic Surveying Appendices. 



" Has PROVED itself a VALUABLE Text-book ; the BUST, if not the only one, in the English 

 language on the subject." Mining Journal, 



" No English-speaking Mine Agent or Mining Student will consider his technical library 

 complete without it." Nature. 



" A valuable accessory to Surveyors in every department of commercial enterprise. 

 Fully deserves to hold its position as a STANDARD." Colliery Guardian. 



In Large &w, with Illustrations and Folding-Plates. ioj. 6& 



BLASTING: 



AND THE USE OF EXPLOSIVES. 



A Handbook for Engineers and others Engaged in Mining, 

 Tunnelling, Quarrying, &c. 



BY OSCAR GUTTMANN, Assoc. M. INST. C.E. 



Member of the Societies of Civil Engineers and Architects of Vienna and Budapest, 

 Corresponding Member of the hnj>. Roy. Geological Institution of Austria, &*c. 



GENERAL CONTENTS. Historical Sketch Blasting Materials Blasting Pow- 

 der Various Powder-mixtures Gun-cotton Nitro-glycerine and Dynamite 

 Other Nitro-compounds Sprengel's Liquid (acid) Explosives -Other Means of 

 Blasting Qualities, Dangers, and Handling of Explosives Choice of Blasting 

 Materials Apparatus for Measuring Force Blasting in Fiery Mines Means of 

 Igniting Charges Preparation of Blasts Bore-holes Machine-drilling Chamber 

 Mines Charging of Bore-holes Determination of the Charge Blasting in Bore- 

 holes Firing Straw and Fuze Firing Electrical Firing Substitutes for Electrical 

 Firing Results of Working Various Blasting Operations Quarrying Blasting 

 Masonry, Iron and Wooden Structures Blasting in earth, under water, of ice, &c. 



" This ADMIRABLE work." Colliery Guardian. 



"Should prove a vade-mecum to Mining Engineers and all engaged in practical work. 

 Iron and Coal Trades Review. 



LONDON : CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND. 



