WILSON.—A Treatise on Steam Boilers:
Their Strength, Construction, and Economical Working. By Robert Wilson. Illustrated 12mo. $2.50
WILSON.—Cotton Carder's Companion:
In which is given a description of the manner of Picking, Baling, Marketing, Opening, and Carding Cotton; to which is added a list of valuable Tables, Rules, and Receipts, by Foster Wilson. 12mo. $1.50
WILSON.—First Principles of Political Economy:
With Reference to Statesmanship and the Progress of Civilization. By Professor W.D. Wilson, of the Cornell University. A new and revised edition. 12mo. $1.50
WÖHLER.—A Hand-book of Mineral Analysis.
By F. Wöhler, Professor of Chemistry in the University of Göttingen. Edited by Henry B. Nason, Professor of Chemistry in the Renssalaer Polytechnic Institute, Troy, New York. Illustrated 12mo. $3.00
WORSSAM.—On Mechanical Saws:
From the Transactions of the Society of Engineers, 1869. By S.W. Worssam, Jr. Illustrated by eighteen large plates. 8vo. $2.50