LUBRICATING OILS, PATS AND GREASES:  Their Origin, Preparation, Properties, Uses and Analyses.  A Handbook for Oil Manufacturers, Refiners and Merchants, and the Oil and Fat Industry in General.  By GEORGE H. HURST, F.C.S.  Third Revised and Enlarged Edition.  Seventy-four Illustrations. 384 pp.  Demy 8vo.  Price 10s. 6d. net. (Post free, 11s. home; 11s. 3d. abroad.)

TECHNOLOGY OF PETROLEUM:  Oil Fields of the World—­Their History, Geography and Geology—­Annual Production and Development—­Oil-well Drilling—­Transport.  By HENRY NEUBERGER and HENRY NOALHAT.  Translated from the French by J.G.  MCINTOSH. 550 pp. 153 Illustrations. 26 Plates.  Super Royal 8vo.  Price 21s. net. (Post free, 21s, 9d. home; 23s. 6d. abroad.)

MINERAL WAXES:  Their Preparation and Uses.  By RUDOLF GREGORIUS.  Translated from the German.  Crown 8vo. 250 pp. 32 Illustrations.  Price 6s. net. (Post free, 6s. 4d. home; 6s. 6d. abroad.)

THE PRACTICAL COMPOUNDING OF OILS, TALLOW AND GREASE FOR LUBRICATION, ETC.  By An EXPERT OIL REFINER.  Second Edition. 100 pp.  Demy 8vo.  Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.)

THE MANUFACTURE OF LUBRICANTS, SHOE POLISHES AND LEATHER DRESSINGS.  By RICHARD BRUNNER.  Translated from the Sixth German Edition by CHAS. SALTER. 10 Illustrations.  Crown 8vo. 170 pp.  Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.)

THE OIL MERCHANTS’ MANUAL AND OIL TRADE READY RECKONER.  Compiled by FRANK F. SHERRIFF.  Second Edition Revised and Enlarged.  Demy 8vo. 214 pp.  With Two Sheets of Tables.  Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. 3d. abroad.)

ANIMAL FATS AND OILS:  Their Practical Production, Purification and Uses for a great Variety of Purposes.  Their Properties, Falsification and Examination.  Translated from the German of LOUIS EDGAR ANDES.  Sixty-two Illustrations. 240 pp.  Second Edition, Revised and Enlarged.  Demy 8vo., Price 10s. 6d. net. (Post free, 10s. 10d. home; 11s. 3d. abroad.)

For contents of these books, see List I.

VEGETABLE FATS AND OILS:  Their Practical Preparation, Purification and Employment for Various Purposes, their Properties, Adulteration and Examination.  Translated from the German of Louis EDGAR ANDES.  Ninety-four Illustrations. 340 pp.  Second Edition.  Demy 8vo.  Price 10s. 6d. net. (Post free, 11s. home; 11s. 6d. abroad.)

EDIBLE FATS AND OILS:  Their Composition, Manufacture and Analysis.  By W.H.  SIMMONS, B.Sc. (Lond.), and C.A.  MITCHELL, B.A.  (Oxon.).  Demy 8vo. 150 pp.  Price 7s. 6d. net. (Post free, 7s. 9d. home; 8s. abroad.)

(Essential Oils and Perfumes.)

THE CHEMISTRY OF ESSENTIAL OILS AND ARTIFICIAL PERFUMES.  By ERNEST J. PARRY, B.Sc. (Lond.), F.I.C., F.C.S.  Second Edition, Revised and Enlarged. 552 pp. 20 Illustrations.  Demy 8vo.  Price 12s. 6d. net. (Post free, 13s. home; 13s. 6d. abroad.)