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TELEGRAPHY AND THE TELEPHONE. 



HOPKINS. TELEPHONE LINES AND THEIR PROPERTIES. 



By WILLIAM J. HOPKINS, Professor of Physics in the Drexel Institute, Philadelphia. 

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PREECE AND SIVEWRIGHT. TELEGRAPHY. By Sir W. 

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ENGINEERING, STRENGTH OF MATERIALS, ETC. 



ANDERSON. ^RK STRENGTH OF MATERIALS AND STRUC- 

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BARRY. RAILWAY APPLIANCES: a Description of Details of 

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DIPLOCK.A NEW SYSTEM OF HEAVY GOODS TRANSPORT 

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GOODMAN. -MECHANICS APPLIED TO ENGINEERING. By 



JOHN GOODMAN, Wh.Sch., M.I.C.E., M.I.M.E., Professor of Engineering in the 

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GREGORY. A SHORT INTRODUCTION TO THE THEORY 



OF ELECTROLYTIC DISSOCIATION. By J. C. GREGORY, B.Sc. (Lond.) 

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LOW.K POCKET-BOOK FOR MECHANICAL ENGINEERS. 



By DAVID ALLAN Low (Whit worth Scholar), M.I.Mech.E., Professor of Engineering, 

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PARKINSON. LIGHT RAILWAY CONSTRUCTION. By 



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SMITH. GRAPHICS, or the Art of Calculation by Drawing Lines, 

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STONE Y. THE THEORY OF STRESSES IN GIRDERS AND 



SIMILAR STRUCTURES; with Practical Observations on the Strength and other 

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CWWfN.THE TESTING OF MATERIALS OF CONSTRUCTION. 



A Text-book for the Engineering Laboratory and a Collection of the Results of 

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WARREN. ENGINEERING CONSTRUCTION IN IRON, STEEL, 



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WHEELER. THE SEA COAST : Destruction, Littoral Drift, 

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