Precious Woods; Dyeing, Coloring, and French
Polishing; Inlaying by Veneers, and various methods practised to
produce Elaborate work with Dispatch, and at Small Expense. By
EGBERT P. WATSON, Author of "The Modern Practice of American
Machinists and Engineers." Illustrated by 78 engravings. $1.50

$WATSON.--The Modern Practice of American Machinists and
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Including the Construction, Application, and Use of Drills, Lathe
Tools, Cutters for Boring Cylinders, and Hollow-work generally,
with the most Economical Speed for the same; the Results verified
by Actual Practice at the Lathe, the Vise, and on the Floor.
Together with Workshop Management, Economy of Manufacture, the
Steam-Engine, Boilers, Gears, Belting, etc., etc. By EGBERT P. WATSON.
Illustrated by eighty-six engravings. 12mo. $2.50

$WATSON.--The Theory and Practice of the Art of Weaving by Hand and
Power:$

With Calculations and Tables for the Use of those connected
with the Trade. By JOHN WATSON, Manufacturer and Practical
Machine-Maker. Illustrated by large Drawings of the best Power
Looms. 8vo. $7.50

$WATT.--The Art of Soap Making:$

A Practical Hand-book of the Manufacture of Hard and Soft Soaps,
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the Recovery of Glycerine from Waste Leys. By ALEXANDER WATT. Ill.
12mo. $3.00

$WEATHERLY.--Treatise on the Art of Boiling Sugar, Crystallizing,
Lozenge-making, Comfits, Gum Goods,$

And other processes for Confectionery, etc., in which are
explained, in an easy and familiar manner, the various Methods of
Manufacturing every Description of Raw and Refined Sugar Goods, as
sold by Confectioners and others. 12mo. $1.50

$WEDDING.--Elements of the Metallurgy of Iron.$

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 pref