Wait’s Engineering and Architectural Jurisprudence 8vo, 6 00 Sheep, 6 50 Law of Operations Preliminary to Construction in Engineering and Architecture 8vo, 5 00 Sheep, 5 50 Law of Contracts 8vo, 3 00 Winthrop’s Abridgment of Military Law 12mo, 2 50 =MANUFACTURES.= Bernadou’s Smokeless Powder--Nitro-cellulose and Theory of the Cellulose Molecule 12mo, 2 50 Bolland’s Iron Founder 12mo, 2 50 “The Iron Founder,” Supplement 12mo, 2 50 Encyclopedia of Founding and Dictionary of Foundry Terms Used in the Practice of Moulding 12mo, 3 00 Eissler’s Modern High Explosives 8vo, 4 00 Effront’s Enzymes and their Applications. (Prescott.) 8vo, 3 00 Fitzgerald’s Boston Machinist 18mo, 1 00 Ford’s Boiler Making for Boiler Makers 18mo, 1 00 Hopkins’s Oil-chemists’ Handbook 8vo, 3 00 Keep’s Cast Iron 8vo, 2 50 Leach’s The Inspection and Analysis of Food with Special Reference to State Control. (_In preparation._) Metcalf’s Steel. A Manual for Steel-users 12mo, 2 00 Metcalfe’s Cost of Manufactures--And the Administration of Workshops, Public and Private 8vo, 5 00 Meyer’s Modern Locomotive Construction 4to, 10 00 Morse’s Calculations used in Cane-sugar Factories 16mo, morocco, 1 50 * Reisig’s Guide to Piece-dyeing 8vo, 25 00 Smith’s Press-working of Metals 8vo, 3 00 Spalding’s Hydraulic Cement 12mo, 2 00 Spencer’s Handbook for Chemists of Beet-sugar Houses 16mo, morocco, 3 00 Handbook for Sugar Manufacturers and their Chemists 16mo, morocco, 2 00 Thurston’s Manual of Steam-boilers, their Designs, Construction and Operation 8vo, 5 00 * Walke’s Lectures on Explosives 8vo, 4 00 West’s American Foundry Practice 12mo, 2 50 Moulder’s Text-book 12mo, 2 50 Wiechmann’s Sugar Analysis Small 8vo, 2 50 Wolff’s Windmill as a Prime Mover 8vo, 3 00 Woodbury’s Fire Protection of Mills 8vo, 2 50