By M.L. Gruner, President of the General Council of Mines of France, and lately Professor of Metallurgy at the Ecole des Mines. Translated, with the author's sanction, with an Appendix, by L.D.B. Gordon, F.R.S.E., F.G.S. 8vo. $2.50
GUETTIER.—Metallic Alloys:
Being a Practical Guide to their Chemical and Physical Properties, their Preparation, Composition, and Uses. Translated from the French of A. Guettier, Engineer and Director of Founderies, author of "La Fouderie en France," etc., etc. By A.A. Fesquet, Chemist and Engineer. 12mo. $3.00
HASERICK.—The Secrets of the Art of Dyeing Wool, Cotton, and Linen,
Including Bleaching and Coloring Wool and Cotton Hosiery and Random Yarns. A Treatise based on Economy and Practice. By E.C. Haserick. Illustrated by 323 Dyed Patterns of the Yarns or Fabrics. 8vo. $25.00
HATS AND FELTING:
A Practical Treatise on their Manufacture. By a Practical Hatter. Illustrated by Drawings of Machinery, etc. 8vo. $1.25
HENRY.—The Early and Later History of Petroleum:
With Authentic Facts in regard to its Development in Western Pennsylvania. With Sketches of the Pioneer and Prominent Operators, together with the Refining Capacity of the United States. By J.T. Henry. Illustrated 8vo.
HOFFER.—A Practical Treatise on Caoutchouc and Gutta Percha,