y, M.Am.C.S. Medium 8vo, cloth. Fully Illustrated.
706 pages _Net_ =30/0=

THE SOAP INDUSTRY--RAW MATERIALS--BLEACHING AND PURIFICATION OF
SOAP-STOCK--THE CHEMICAL CHARACTERISTICS OF SOAP-STOCK AND THEIR
BEHAVIOUR TOWARDS SAPONIFYING AGENTS--MECHANICAL EQUIVALENT OF THE SOAP
FACTORY--COLD PROCESS AND SEMI-BOILED SOAP--GRAINED SOAP--SETTLED ROSIN
SOAP--MILLED SOAP-BASE--FLOATING SOAP--SHAVING SOAP--MEDICATED
SOAP--ESSENTIAL OILS AND SOAP PERFUMERY--MILLED SOAP--CANDLES--
GLYCERINE--EXAMINATION OF RAW MATERIALS AND FACTORY PRODUCTS.

=SOLUBILITIES OF INORGANIC AND ORGANIC SUBSTANCES.= A Hand-book of the
most Reliable Quantitative Solubility Determinations. Recalculated and
Compiled by ATHERTON SEIDELL, Ph.D., Chemist, Hygienic Laboratory, U. S.
Public Health Service, Washington, D C. Medium 8vo, cloth, 377 pages
_Net_ =12/6=

=TEA MACHINERY AND TEA FACTORIES.= Describing the Mechanical Appliances
required in the Cultivation and Preparation of Tea for the Market. By A.
J. WALLIS-TAYLER, A.M.Inst.C.E. Medium 8vo, 468 pp. With 218
Illustrations _Net_ =25/0=

"The subject of tea machinery is now one of the first interest to a
large class of people, to whom we strongly commend the
volume."--_Chamber of Commerce Journal._

=WAGES TABLES.= At 54, 52, 50, and 48 Hours per Week. Showing the
Amounts of Wages from one quarter of an hour to sixty-four hours, in
each case at Rates of Wages advancing by One Shilling from 4s. to
55s. per week. By THOS. CARBUTT, Accountant. Square crown, 8vo,
half-bound =6/0=

=WATCH REPAIRING, CLEANING, AND ADJUSTING.= A Practical Handbook dealing
with the Materials and Tools Used, and the Methods of Repairing,
Cleaning, Altering, and Adjusting all kinds of English and Foreign
Watches, Repeaters, Chronographs, and Marine Chronometers. By F. J.
GARRARD, Springer and Adjuster of Marine Chronometers and Deck Watches
for the Admiralty. Second Edition. Revised. With over 200 Illustrations.
Crown 8vo, cloth _Net_ =4/6=

=WATCHES AND OTHER TIMEKEEPERS, HISTORY OF.= By J. F. KENDAL,
M.B.H. Inst. =1/6= boards; or cloth =2/6=

=WATCHMAKER'S HANDBOOK.= Intended as a Workshop Companion for those
engaged in Watchmaking and the Allied Mechanical Arts. Translated from
the French of CLAUDIUS SAUNIER, and enlarged by JULIEN TRIPPLIN,
F.R.A.S., and EDWARD RIGG, M.A., Assayer in the Royal Mint. Fourth
Edition. Cr. 8vo, cloth =9/0=

"Each part is truly a treatise in itself. The arrangement i