WEDDING.—Elements of the Metallurgy of Iron.
By Dr. Hermann Wedding, Royal Privy Counsellor of Mines, Berlin, Prussia. Translated from the second revised and rewritten German edition. By William T. Brannt, Graduate of the Royal Agricultural College at Eldena, Prussia. Edited by William H. Wahl, Ph. D., Secretary of the Franklin Institute, Philadelphia. Illustrated by about 250 engravings. 8vo., about 500 pages (In preparation.)
WEINHOLD.—Introduction to Experimental Physics, Theoretical and Practical.
Including directions for Constructing Physical Apparatus and for Making Experiments. By Adolf F. Weinhold, Professor in the Royal Technical School at Chemnitz. Translated and edited, with the author's sanction, by Benjamin Loewy, F.R.A.S., with a preface, by G.C. Foster, F.R.S. Illustrated by three colored plates and 404 wood-cuts. 8vo., 848 pages $6.00
WIGHTWICK.—Hints to Young Architects:
Comprising Advice to those who, while yet at school, are destined to the Profession; to such as, having passed their pupilage, are about to travel; and to those who, having completed their education, are about to practise. Together with a Model Specification involving a great variety of instructive and suggestive matter. By George Wightwick, Architect. A new edition, revised and considerably enlarged; comprising Treatises on the Principles of Construction and Design. By G. Huskisson Guillaume, Architect. Numerous Illustrations. One vol. 12mo. $2.00
WILL.—Tables of Qualitative Chemical Analysis.
With an Introductory Chapter on the Course of Analysis. By Professor Heinrich Will, of Giessen, Germany. Third American, from the eleventh German edition. Edited by Charles F. Himes. Ph. D., Professor of Natural Science, Dickinson College, Carlisle, Pa. 8vo. $1.50
WILLIAMS.—On Heat and Steam:
Embracing New Views of Vaporization, Condensation, and Explosion. By Charles Wye Williams, A.I.C.E. Illustrated 8vo. $3.50