22 WORKS IN SCIENCE AND ART, ETC., 



Electric Lighting. 



ELECTRIC LIGHT : Its Production and Use, embodying plain 

 Directions for the Working of Galvanic Batteries, Electric Lamps, 

 and Dynamo-Electric Machines. By J. W. URQUHART, C. E., 

 Author of "Electroplating : a Practical Handbook." Edited by 

 F. C. WEBB, M.I.C.E., M.S.T.E. With 94 Illustrations. 

 Crown 8vo, 7^. 6d. cloth. 

 " It is the only work at present available, which gives a general but concise hist r 



of the means .which have been adopted up to the present time in producing th 



electi ic light. " Metropolitan. 



"An important addition to the literature of the electric light. Students of the 



subject should not fail to read it." Colliery Guardian. 



Electroplating, &c. 



ELECTROPLATING: A Practical Handbook. By J. W. 

 URQUHART, C.E. Crown Svo, 5J-. cloth. 



" A large amount of thoroughly practical information." Telegraphic Journal. 



"An excellent practical manual. " Engineering. 



*' The information given appears to be based on direct personal knowledge. . . . 

 Its science is sound, and the style is always clea.r."At/ten&um. 



"Any ordinarily intelligent person may become an adept in electro-deposition 

 with a very little science indeed, and this is the book to show him or her the way." 

 Builder. 



" The volume is without a rival in its particular sphere." Design and Work. 



Electrotyping, &c. 



ELECTROTYPING : a Practical Manual on the Reproduction 



and Multiplication of Printing Surfaces and Works of Art by the 



Electro-deposition of Metals. By J. W. URQUHART, C.E. 



Crown 8vo, $s. cloth. \Justpublished* 



"Will serve as a guide, not only to beginners in the art, but to those who still 



practise the old and imperfect methods of electrotyping." Iron. 



"The book throughout is entirely practical, is lucid and clear in style, and the 

 minutest details are so stated that amateurs will find no difficulty whatever in follow- 

 ing them out. We have no hesitation in recommending it as a reliable work." 

 I^aper and Printing- Trades Journal. 



The Military Sciences. 



AIDE-MEMOIRE to the MILITARY SCIENCES. Framed 

 from Contributions of Officers and others connected with the dif- 

 ferent Services. Originally edited by a Committee of the Corps of 

 Royal Engineers. Second Edition, most carefully revised by an 

 Officer of the Corps, with many additions ; containing nearly 350 

 Engravings and many hundred Woodcuts. 3 vols. royal 8vo, extra 

 cloth boards, and lettered, 4/. ICKT. 



Field Fortification. 



A TREATISE on FIELD FORTIFICATION, the ATTACK 

 of FORTRESSES, MILITARY MINING, and RECON- 

 NOITRING. By Colonel I. S. MACAULAY, late Professor of 

 Fortification in the R. M. A., Woolwich. Sixth Edition, crown 

 8vo, cloth, with separate Atlas of 12 Plates, 12s. complete. 



Dye- Wares and Coloitrs. 



THE MANUAL of COLOURS and DYE-WARES: their 

 Properties, Applications, Valuation, Impurities, and Sophistications. 

 For the Use of Dyers, Printers, Drysalters, Brokers, &c. By J. 

 W. SLATER. Post 8vo, 7^. 6d. cloth. 



