“The book contains a vast amount of information.”—­Gas World.

=GAS ENGINEERING.= See PRODUCER GAS PRACTICE AND INDUSTRIAL GAS ENGINEERING. =GAS FITTING.= A Practical Handbook.  By JOHN BLACK.  Revised Edition.  With 130 Illustrations.  Crown 8vo, cloth =2/6=

=GAS LIGHTING.= See ACETYLENE.

=GAS LIGHTING FOR COUNTRY HOUSES.= See PETROL AIR GAS.

=GAS MANUFACTURE, CHEMISTRY OF.= A Practical Manual for the use of Gas Engineers, Gas Managers and Students.  By HAROLD M. ROYLE, Chief Chemical Assistant at the Beckton Gas Works.  Demy 8vo, cloth, 340 pages, with numerous Illustrations and Coloured Plate. Net =12/6=

PREPARATION OF STANDARD SOLUTIONS—­ANALYSIS OF COALS—­DESCRIPTION OF
VARIOUS TYPES OF FURNACES—­PRODUCTS OF CARBONISATION AT VARIOUS
TEMPERATURES—­ANALYSIS OF CRUDE GAS—­ANALYSIS OF LIME—­ANALYSIS OF
AMMONIACAL LIQUOR—­ANALYTICAL VALUATION OF OXIDE OF IRON—­ESTIMATION
OF NAPHTHALIN—­ANALYSIS OF FIRE-BRICKS AND FIRE-CLAY—­ART OF
PHOTOMETRY—­CARBURETTED WATER GAS—­APPENDIX CONTAINING STATUTORY AND
OFFICIAL REGULATIONS FOR TESTING GAS.  VALUABLE EXCERPTS FROM VARIOUS
IMPORTANT PAPERS ON GAS CHEMISTRY, 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.=