KITTREDGE.—The Compendium of Architectural Sheet-Metal Work:

Profusely Illustrated. Embracing Rules and Directions for Estimates, Items of Cost, Nomenclature, Tables of Brackets, Modillions, Dentals, Trusses, Stop-Blocks, Frieze Pieces, etc. Architect's Specification, Tables of Tin-Roofing, Galvanized Iron, etc., etc. To which is added the Exemplar of Architectural Sheet-Metal Work, containing details of the Centennial Buildings, and other important Sheet-Metal Work, Designs and Prices of Architectural Ornaments, as manufactured for the Trade by the Kittredge Cornice and Ornament Company, and a Catalogue of Cornices, Window-Caps, Mouldings, etc., as manufactured by the Kittredge Cornice and Ornament Company. The whole supplemented by a full Index and Table of Contents. By A.O. Kittredge. 8vo., 565 pages.

LANDRIN.—A Treatise on Steel:

Comprising its Theory, Metallurgy, Properties, Practical Working, and Use. By M.H.C. Landrin, Jr., Civil Engineer. Translated from the French, with Notes, by A.A. Fesquet, Chemist and Engineer. With an Appendix on the Bessemer and the Martin Processes for Manufacturing Steel, from the Report of Abram S. Hewitt

United States Commissioner to the Universal Exposition, Paris, 1867. 12mo. $3.00

LARDEN.—A School Course on Heat:

By W. Larden, M.A. 321 pp. 12mo. $2.00

LARDNER.—The Steam-Engine:

For the Use of Beginners. By Dr. Lardner. Illustrated. 12mo. $.75

LARKIN.—The Practical Brass and Iron Founder's Guide: