A short method of Determining and Classifying Minerals, by means of simple Chemical Experiments in the Wet Way. Translated from the last German Edition of F. Von Kobell, with an Introduction to Blowpipe Analysis and other additions. By Henri Erni, M. D., Chief Chemist, Department of Agriculture, author of “Coal Oil and Petroleum.” In one volume, 12mo., $2.50
LAFFINEUR.—A PRACTICAL GUIDE TO HYDRAULICS FOR TOWN AND COUNTRY;
Or a Complete Treatise on the Building of Conduits for Water for Cities, Towns, Farms, Country Residences, Workshops, etc. Comprising the means necessary for obtaining at all times abundant supplies of Drinkable Water. Translated from the French of M. Jules Laffineur, C. E. Illustrated. (In press.)
LAFFINEUR.—A TREATISE ON THE CONSTRUCTION OF WATER-WHEELS:
Containing the various Systems in use with Practical Information on the Dimensions necessary for Shafts, Journals, Arms, etc., of Water-wheels, etc. etc. Translated from the French of M. Jules Laffineur, C. E. Illustrated by numerous plates. (In press.)
LANDRIN.—A TREATISE ON STEEL:
Comprising the Theory, Metallurgy, Practical Working, Properties, and Use. Translated from the French of H. C. Landrin, Jr., C. E. By A. A. Fesquet, Chemist and Engineer. Illustrated. 12mo. (In press.)
LARKIN.—THE PRACTICAL BRASS AND IRON FOUNDER’S GUIDE:
A Concise Treatise on Brass Founding, Moulding, the Metals and their Alloys, etc.; to which are added Recent Improvements in the Manufacture of Iron, Steel by the Bessemer Process, etc. etc. By James Larkin, late Conductor of the Brass Foundry Department in Reaney, Neafie & Co.’s Penn Works, Philadelphia. Fifth edition, revised, with Extensive additions. In one volume, 12mo., $2.25
LEAVITT.—FACTS ABOUT PEAT AS AN ARTICLE OF FUEL: