12 D. VAN NOSTRAND'S PUBLICATIONS. 



SAWYER (W. E.) Electric-Lighting by Incandescence, and 

 its Application to Interior Illumination. A Practical 

 Treatise. With 96 illustrations. Third edition. 8vo, cloth.$2 50 



SCRIBNER (J. M.) Engineers' and Mechanics' Companion, 

 comprising United States Weights and Measures, Mensura- 

 tion of Superfices and Solids, Tables of Squares and Cubes, 

 Square and Cube Koots, Circumference and Areas of Cir- 

 cles, the Mechanical Powers, Centres of Gravity, Gravita- 

 tion of Bodies. Pendulums, Specific Gravity 01 Bodies, 

 Strength, Weight, and Crush of Materials, Water-Wheels, 

 Hydrostatics, Hydraulics, Statics, Centres of Percussion 

 and Gyration, Friction Heat, Tables of the Weight of 

 Metals, Scantling, etc., Steam atid the Steam-Engine. 

 Nineteenth edition, revised, i6mo, full morocco I 50 



- - Engineers', Contractors', and Surveyors' Pocket Table- 

 Book. Comprising Logarithms of Numbers, Logarithmic 

 Sines and Tangents, Natural Sines and Natural Tangents, 

 the Traverse '1 able, and a full and complete set of Excava- 

 tion and Embankment Tables, together with numerous 

 other valuable tables for Engineers, etc. Eleventh edition, 

 revised, i6mo, full morocco 1 50 



SHELLEN (Dr. H.) Dynamo-Electric Machines. Translated, 

 with much new matter on American practice, and many il- 

 lustrations which now appear for the first time in print. 

 Svo, cloth, New York (In press) 



SHOCK (Chief-Eng. W. H) Steam-Boilers : their Design, 

 Construction, and Management. 450 pages text. Illustrated 

 with 1 no wood-cuts and ^6 full-page plates (several double). 

 Quarto. Illustrated. Half morocco 1500 



SHUNK (W. F.) The Field Engineer. A handy book of prac- 

 tice in the Survey, Location, and Track-work of Railroads, 

 containing a large collection of Rules and Tables, original 

 and selected, applicable to both the Standard and Narrow 

 Gauge, and prepared with special reference to the wants of 

 the young Engineer. Third edition. i2mo, morocco, 

 tucks 250 



SHIELDS (T. E.) Notes on Engineering Construction. 1 

 bracing Discussions of the Principles involved, and Descrip- 

 tions of the Material employed in Tunnelling, Bridging, 

 Canal and Road Building, etc., etc. i2mo, cloth . . 1 50 



SHREVE (S. H.) A Treatise on the Strength of Bridges and 

 Roofs. Comprising the determination of Algebraic formu- 

 las for strains in Horizontal. Inclined or Rafter, Triangular, 

 Bowstring, Lenticular, and other Trusses, from fixed and 

 moving loads, with practical applications and examples, for 

 the use of Students and Engineers. 87 wood-cut illustra- 

 tions. Third edition. 8 vo, cloth 350 



