18 NEW WORKS PUBLISHED BY LONGMANS AND CO. 



USE'S DICTIONARY of ARTS, MANUFACTURES, and MINES. 



Seventh Edition, rewritten and enlarged by ROBERT HUNT, F.R.S. assisted by 

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 Manufactures. With above 2,100 Woodcuts. 3 vols. medium 8vo. 5 5s. 

 VOL. IV. Supplementary, completing all the Departments of the Dictionary to 

 the year 1877, is preparing for publication. 



HANDBOOK of PRACTICAL TELEGRAPHY. By K. S. GULLET, 

 Memb. Inst. C.E. Engineer-in-Chief of Telegraphs to the Post Office. Sixth 

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ENCYCLOPEDIA of CIVIL ENGINEERING, Historical, Theoretical, 

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The AMATEUR MECHANIC'S PRACTICAL HANDBOOK ; de- 

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 to use them, with examples of different kinds of work, &c. with full Descriptions 

 and Drawings. By A. H. G. HOBSON. With 33 Woodcuts. Crown 8vo. 2*. 6d. 



The ENGINEER'S VALUING ASSISTANT. By II. D. HOSKOLD, 



Civil and Mining Engineer, 16 years Mining Engineer to the Dean Forest Iron 

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The WHITWORTH MEASURING MACHINE ; including Descrip- 

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 Sir JOSEPH WHITWORTH, Bart. By T. M. GOODETE, M.A. and C. P. B. SHELLEY, 

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TREATISE on MILLS and MILLWORK. By Sir W. FAIRBAIRN, 

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USEFUL INFORMATION for ENGINEERS. By Sir W. FAIRBAIRN, 

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The APPLICATION of CAST and WROUGHT IRON to Building 

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The THEORY of STRAINS in GIRDERS and similar Structures, 

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A TREATISE on the STEAM ENGINE, in its various Applications 

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CATECHISM of the STEAM ENGINE, in its various Applications to 

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HANDBOOK of the STEAM ENGINE. By the same Author, forming 

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BOURNE'S RECENT IMPROVEMENTS in the STEAM ENGINE in its 



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