Y, USEFUL TABLES, MEMORANDA, etc.

=GAS WORKS.= Their Construction and Arrangement, and the Manufacture and
Distribution of Coal Gas. By S. HUGHES, C.E. Ninth Edition.
Revised by H. O'CONNOR, A.M.Inst.C.E. Crown 8vo =6/0=

=GOLD WORKING. JEWELLER'S ASSISTANT= for Masters and Workmen, Compiled
from the Experience of Thirty Years' Workshop Practice. By G. E.
GEE. Crown 8vo =7/6=

=GOLDSMITH'S HANDBOOK.= Alloying, Melting, Reducing, Colouring,
Collecting, and Refining. Manipulation, Recovery of Waste, Chemical and
Physical Properties; Solders, Enamels, and other useful Rules and
Recipes, &c. By G. E. GEE, Sixth Edition. Crown 8vo, cloth =3/0=

=GOLDSMITH'S AND SILVERSMITH'S COMPLETE HANDBOOK.= By G. E.
GEE. Crown 8vo, half bound =7/0=

=HALL-MARKING OF JEWELLERY.= Comprising an account of all the different
Assay Towns of the United Kingdom, with the Stamps at present employed;
also the Laws relating to the Standards and Hall-marks at the various
Assay Offices. By G. E. GEE. Crown 8vo =3/0=

=HANDYBOOKS FOR HANDICRAFTS.= By PAUL N. HASLUCK. See page 16.

=HOROLOGY, MODERN, IN THEORY AND PRACTICE.= Translated from the French
of CLAUDIUS SAUNIER, ex-Director of the School of Horology at
Macon, by JULIEN TRIPPLIN, F.R.A.S., Besancon Watch
Manufacturer, and EDWARD RIGG, M.A., Assayer in the Royal Mint.
With Seventy-eight Woodcuts and Twenty-two Coloured Copper Plates.
Second Edition. Super-royal 8vo, =L2 2s.= cloth; half-calf =L2 10s.=

"There is no horological work in the English language at all to
be compared to this production of M. Saunier's for clearness and
completeness. It is alike good as a guide for the student and as a
reference for the experienced horologist and skilled
workman."--_Horological Journal._

=ILLUMINATING AND MISSAL PAINTING ON PAPER AND VELLUM.= A Practical
Treatise on Manuscript Work, Testimonials, and Herald Painting, with
Chapters on Lettering and Writing, and on Mediaeval Burnished Gold. With
two Coloured Plates. By PHILIP WHITHARD (First-class Diploma
for Illumination and Herald Painting, Printing Trades Exhibition, 1906).
156 pages. Crown 8vo, cloth _Net_ =4/0=

=INTEREST CALCULATOR.= Containing Tables at 1, 11/2, 2, 21/2, 3, 31/2, 33/4, 4,
41/2, 43/4 and 5 per cent. By A. M. CAMPBELL, Author of "The Concise
Calendar." Crown 8vo, cloth _Net_ =2/6=

=IRON AND METAL TRADES' COMPANION.= For Expeditiously ascertaining the
Value of any Goods bought or sold by Weight