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 is good and the language is clear and concise. It is an admirable guide for the young watchmaker." —Engineering.

WEIGHT CALCULATOR. Being a Series of Tables upon a New and Comprehensive Plan, exhibiting at one Reference the Exact Value of any Weight from 1 1b. to 15 tons, at 300 Progressive Rates, from 1d. to 168s. per cwt., and containing 186,000 Direct Answers, which, with their Combinations, consisting of a single addition (mostly to be performed at sight), will afford an aggregate of 10,266,000 Answers; the whole being calculated and designed to ensure correctness and promote despatch. By Henry Harben, Accountant. Sixth edition, carefully corrected. Royal 8vo, strongly half bound £1 5s.

"A practical and useful work of reference for men of business generally." —Ironmonger.

"Of priceless value to business men." —Sheffield Independent.

WOOD ENGRAVING. A Practical and Easy Introduction to the Study of the Art. By W. N. Brown. Crown 8vo, cloth. 1/6

HANDYBOOKS FOR HANDICRAFTS.

BY PAUL N. HASLUCK.

Author of "Lathe Work," etc. Crown 8vo, 144 pp., price 1s. each.

These Handybooks have been written to supply information for Workmen Students, and Amateurs in the several Handicrafts, on the actual Practice of the Workshop, and are intended to convey in plain language Technical Knowledge of the several Crafts. In describing the processes employed, and the manipulation of material, workshop terms are used; workshop practice is fully explained; and the text is freely illustrated with drawings of modern tools, appliances, and processes.