Ville

The School of Chemical Manures:

Or, Elementary Principles in the Use of Fertilizing Agents From the French of M. Geo. Ville, by A. A. Fesquet, Chemist and Engineer. With Illustrations. 12mo___$1.25

Vogdes

The Architect's and Builder's: Pocket-Companion and Price-Book:

Consisting of a Short but Comprehensive Epitome of Decimals, Duodecimals, Geometry and Mensuration; with Tables of United States Measures, Sizes, Weights, Strength, etc., of Iron, Wood, Stone, Brick, Cement and Concretes, Quantities of Materials in given Sizes and Dimensions of Wood, Brick and Stone; and full and complete Bills of Prices for Carpenter's Work and Painting; also, Rules for Computing and Valuing Brick and Brick Work, Stone Work, Painting, Plastering, with a Vocabulary of Technical Terms, etc. By Frank W. Vogdes, Architect, Indianapolis, Ind. Enlarged, Revised and Corrected. In one volume 368 pages, full-bound, pocketbook form, gilt edges..................$2.00

Cloth.............................................$1.50

Wahnschaffe

A Guide to the Scientific Examination of Soils:

Comprising Select Methods of Mechanical and Chemical Analysis and Physical Investigation. Translated from the German of Dr F. Wahnschaffe. With additions by William T. Brannt. Illustrated by 25 Engravings. 12mo. 177 pages.........................................$1.50

Ware

The Sugar Beet:

Including a History of the Beet Sugar Industry in Europe, Varieties of the Sugar Beet, Examinatioi, Soils, Tillage Seeds and Sowing, Yield and Cost of Cultivation, Harvesting, Transportation, Conservation, Feeding Qualities of the Beet and of the Pulp, etc. By Lewis S. Ware, C. E., M. E. Illustrated by ninety Engravings. 8vo........$2.00

Warn

The Sheet-Metal Worker's Instructor: For Zinc, Sheet-Iron, Copper, and Tin-Plate Workers, etc. Containing a selection of Geometrical Problems; also Practical and Simple Rules for Describing the various Patterns required in the different branches of the above Trades. By Reuben H. Warn, Practical Tin-Plate Worker. To which is added an Appendix, containing Instructions for Boiler-Making, Mensuration of Surfaces and Solids, Rules for Calculating the Weights of different Figures of Iron and Steel, Tables of the Weights of Iroi, Steel, etc. Illustrated by thirty-two Plates and thirty-seven Wood Engravings. 8vo... $2.00

Warner

New Theorems, Tables, and Diagrams, for the Computation of Earth-work: Designed for the use of Engineers in Preliminary and Final Estimates, of Students in Engineering and of Contractors and other non-professional Computers. In two parts, with an Appendix. Part I. A Practical Treatise; Part II. A Theoretical Treatise, and the Appendix Contaiiing Notes to the Rules and Examples of Part I.; Explanations of the Construction of Scales, Tables, and Diagrams, and a Treatise upon Equivalent Square Bases and Equivalent Level Heights. By John Warner, A. M., Mining and Mechanical Engineer. Illustrated by 14 Plates. 8vo......................$3.00

Watson - A Manual of the Hand-Lathe: Comprising Concise Directions for Working Metals of all kinds, Ivory, Bone and Precious Woods; Dyeing, Coloring, and French Polishing; Inlaying by Veneers, and various methods practised to produce Elaborate work with dispatch, and at Small Expense. By Egbert P. Watson, Author of "The Modern Practice of American Machinists and Engineers. " Illustrated by 78 Engravings..............$1.00

Watson

The Modern Practice of American Machinists and Engineers: Including the Construction, Application, and Use of Drills,

Lathe Tools, Cutters for Boring Cylinders, and Hollow-work generally, with the most economical Speed for the same; the Results verified by Actual Practice at the Lathe, the Vise, and on the floor. Together with Workshop Management, Economy of Manufacture, the Steam Engine, Boilers, Gears, Belting, etc., etc. By Egbert P. Watson Illustrated by eighty-six Engravings. 12mo.......................$2.00

Weatherly - Treatise on the Art of Boiling Sugar, Crystallizing, Lozenge-making, Comfits, Gum Goods:

And other processes for Confectionery, including Methods for Manufacturing every Description of Raw and Refined Sugar Goods. A New and Enlarged Edition, with an Appendix on Cocoa, Chocolate, Chocolate Confections, etc. 196 pages. 12mo......................................$1.50

Will

Tables of Qualitative Chemical Analysis:

With an Introductory Chapter on the Course of Analysis By Professor Heinrich Will, of Giessen, Germany. Third American, from the eleventh German Edition. Edited by Charles F. Himes, Ph. D, Professor of Natural Science, Dickinson College, Carlisle, Pa. 8vo................$1.00

Williams

On Heat and Steam:

Embracing New Views of Vaporization, Condensation and Explosion. By Charles Wye Williams, A. I. C. E. Illustrated. 8vo......................................$2.00

Wilson

The Practical Tool-Maker and Designer:

A Treatise upon the Designing of Tools and Fixtures for Machine Tools and Metal Working Machinery, Comprising Modern Examples of Machines with Fundamental Designs for Tools for the Actual Production of the work; Together with Special Reference to a Set of Tools for Machining the Various Parts of a Bicycle. Illustrated by 189 Engravings (1898)............................................$2.50

Contents : Introductory. Chapter I. Modern Tool Room and Equipment. II. Files, Their Use and Abuse. III. Steel and Tempering. IV. Making Jigs. V. Milling Machine Fixtures. VI. Tools and Fixtures for Screw Machines. VII. Broaching. VIII. Punches and Dies for Cutting and Drop Press. IX. Tools for Hollow-ware.

X. Embossing: Metal, Coin and Stamped Sheet-Metal Ornaments.

XI. Drop Forging. XII. Solid Drawn Shells or Ferrules; Cupping or Cutting and Drawing; Breaking Down Shells. XIII. Annealing, Pickling and Cleaning. XIV. Tools for Draw Bench. XV. Cutting and Assembling Pieces by Means of Ratchet Dial Plates at One Operation. XVI. The Header. XVII. Tools for Fox Lathe. XVIII. Suggestions for a set of Tools for Machining the Various Parts of a Bicycle. XIX. The Plater's Dynamo. XX. Conclusion - With a few Random Ideas. Appendix. Index.