PUBLISHED BY K & F. N. SPON. 



A Pocket-Book of Useful Formulce and Memoranda 



for Civil and Mechanical Engineers. By Guilford L. Moles worth, 

 Mem. Inst. C.E., Consulting Engineer to tlie Government of India for 

 State Railways. With numerous illustrations^ 744 pp. Twenty-fiist 

 edition, revised and enlarged, 32mo, roan, 6^. 



Synopsis of Contents: 



Survejring, Levelling, etc. — Strength and Weight of Materials — Earthwork, Brickwork, 

 Masonry, Arches, etc — Struts, Columns, Beams, and Trusses — Flooring, Roofing, and Roof 

 Trusses — Girders, Bridges, etc. — Railways and Roads — Hydraulic Formulas — Canals. Sewers, 

 Waterworks, Docks — Irrigation and Breakwaters — Oas, Ventilation, and Warming — Heat, 

 Light, Colour, and Sound — Gravity: Centres, Forces, and Powers — Millwork, Teeth of 

 Wheels, Shafting, etc. — ^Workshop Recipes — Sundry Machinery — Animal Power — Steam and 

 the Steam Engme — ^Water-power, Water-wheels, Turbines, etc — ^Wind and Wmdmills— 

 Steam Navigation, Ship Building, Tonnage, etc. — Gunnery, Projectiles, etc. — ^Weights, 

 Measures, and Money — ^Trigonometry, Conic Sections, and Curves — ^Telegraphy—Mensura- 

 tion— Tables of Areas and Circumference, and Arcs of Circles — Logarithms, Square and 

 Cube Roots, Powers — Reciprocals, etc. — Useful Numbers — ^Differential and Integral Calcu- 

 lus — ^Algebraic Signs — Telegraphic Construction and Formulae. 



Sponi Tables and Memoranda for Engineers; 



selected and arranged by J. T. Hurst, C.E., Author of * Architectural 



Surveyors' Handbook,' * Hurst's Tredgold's Carpentry,' etc. Seventh 



edition, 64mo, roan, gilt edges, is. ; or in clotb case, is, 6^. 



This work is printed in a pearl type, and is so small, measuring only i\ in. by if in. by 

 i in. thick, that it may be easily carried in the waistcoat pocket. 



" It is certainly an extremely rare thing for a reviewer to be called upon to notice a volume 

 measuring but 2i in. by if in., yet these dimensions faithfully represent the size of the handy 

 little book before us. The volume — ^which contains 118 printed pages, besides a few blank 

 pages for memoranda — is, in fact, a true pocket-book, adapted for being carried m the waist- 

 coat pocket, and containing a far greater amount and variety of information than most people 



would imagine could be compressed into^o small a space The little volume lias been 



compiled with considerable care and judgment, and we can cordially recommend it to our 

 rea*ders as a useful little pocket companion." — Engineering. 



A Practical Treatise on Natural and Artificial 



Concrete, its Varieties and Constructive Adaptations. By Henry Reid, 

 Author of the * Science and Art of the Manufacture of Portland Cement.' 

 New Edition, with 59 woodcuts and $ plates, 8vo, cloth, 15^. 



Notes on Concrete and Works in Concrete; especially 



written to assist those engaged upon Public Works. By John Newman, 

 Assoc. Mem. Inst. C.E., crown 8vo, cloth, 5^. 



Hydrodynamics : Treatise relative to the Testing of 



Water- Wheels and Machinery, with various other matters pertaining to 

 Hydrodynamics. By James Emerson. Witk numerom tUustraizons, 

 360 pp. Third edition, crown 8vo, cloth, 4r. 6d, 



Electricity as a Motive Power. By Count Th. Du 



MONCEL, Membre de I'lnstitut de France, and Frank Geraldy, Inge- 

 nieur des Fonts et Chaussees. Translated and Edited, with Additions, by 

 C. J. Wharton, Assoc. Soc. Tel Eng. and Elec. With 113 engravings 

 and diagrams, crown 8vo, cloth, 7"^* ^^' 



