By David Syme. 12mo. $2.00

TABLES SHOWING THE WEIGHT OF ROUND, SQUARE, AND FLAT BAR IRON, STEEL, ETC.,

By Measurement. Cloth. 63

TAYLOR.—Statistics of Coal:

Including Mineral Bituminous Substances employed in Arts and Manufactures; with their Geographical, Geological, and Commercial Distribution and Amount of Production and Consumption on the American Continent. With Incidental Statistics of the Iron Manufacture. By R.C. Taylor. Second edition, revised by S.S. Haldeman. Illustrated by five Maps and many wood engravings. 8vo., cloth. $10.00

TEMPLETON.—The Practical Examinator on Steam and the Steam—Engine:

With Instructive References relative thereto, arranged for the Use of Engineers, Students, and others. By William Templeton, Engineer. 12mo. $1.25

THAUSING.—The Theory and Practice of the Preparation of Malt and the Fabrication of Beer:

With especial reference to the Vienna Process of Brewing. Elaborated from personal experience by Julius E. Thausing, Professor at the School for Brewers, and at the Agricultural Institute, Mödling, near Vienna. Translated from the German by William T. Brannt. Thoroughly and elaborately edited, with much American matter, and according to the latest and most Scientific Practice, by A. Schwarz and Dr. A.H. Bauer. Illustrated by 140 Engravings. 8vo., 815 pages. $10.00

THOMAS.—The Modern Practice of Photography: