WORKS PUBLISHED BY LOCKWOOD & CO. 23 



SCIENCE AND ART. 



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 Svo, extra 

 cloth boards, and lettered, price 4/. los. 



"A compendious encyclopaedia of military knowledge, to which we are greatly in- 

 debted." Edinburgh Review. 



" The most comprehensive work of reference to the military and collateral sciences. 

 Among the list of contributors, some seventy-seven in number, will be found names of 

 the highest distinction in the services. " Vohmteer Service Gazette. 



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 

 Svo, cloth, with separate Atlas of 12 Plates, price I2s. complete. 



Naval Science. Edited by E. J. Reed, C.B. 



NAVAL SCIENCE : a Quarterly Magazine for Promoting the 

 Improvement of Naval Architecture, Marine Engineering, Steam 

 Navigation, and Seamanship. Edited by E. J. REED, C.B., late 

 Chief Constructor of the Navy. Copiously illustrated. Price 2s. 6d. 

 No. 7, October, 1873, now ready. (Vol. I., containing Nos. I to 3, 

 may also be had, cloth boards, price IGJ-. 6d.) 



* # * The Contributors include the most Eminent Authorities in the several 

 branches of the above subjects. 



Dye- Wares and Colours. 



THE MANUAL of COLOURS and DYE- WARES : their 

 Properties, Applications, Valuation, Impurities, a.nd Sophistications. 

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

 W. SLATER. Post Svo, cloth, price js. 6d. [Recently published. 



"A complete encyclopaedia of the materia tinctoria. The information given 

 respecting each article is full and precise, and the methods of determining the value 

 of articles such as these, so liable to sophistication, are given with clearness, and are 

 practical as well as valuable." Chemist and Druggist. 



Electricity. 



A MANUAL of ELECTRICITY ; including Galvanism, Mag- 



netism, Diamagnetism, Electro-Dynamics, Magno-Electricity, and 



the Electric Telegraph. By HENRY M. NOAD, Ph.D., F.C.S., 



Lecturer on Chemistry at St. George's Hospital. Fourth Edition, 



entirely rewritten. Illustrated by 500 Woodcuts. 8yo, I/. 4^. cloth. 



" The commendations already bestowed in the pages of the Lancet on the former 



editions of this work are more than ever merited by the present. The accounts given 



of electricity and galvanism are not only complete in a scientific sense, but, which is a 



rarer thing, are popular and interesting." Lancet. 



