A text-book of assaying - C. Beringer; J. J. Beringer

"A work which is equally valuable to the Student as a Text-book, and to the practical Smelter as a Standard Work of Reference.... The Illustrations are admirable examples of Wood Engraving."—Chemical News.

THE MINING ENGINEERS' REPORT BOOK AND DIRECTORS' AND SHAREHOLDERS' GUIDE TO MINING REPORTS. By Edwin R. Field, M.Inst.M.M. With Notes on the Valuation of Mining Property and Tabulating Reports, Useful Tables, &c., and provided with detachable blank pages for MS. Notes.

"An admirably compiled book which Mining Engineers and Managers will find extremely useful."—Mining Journal.

Second Edition. In Preparation. In Two Volumes, Large 8vo. With Numerous Maps, Plates, and Illustrations in the Text. Price 45s.

**PETROLEUM AND ITS PRODUCTS: A PRACTICAL TREATISE.**

By Dr. BOVERTON REDWOOD, F.R.S.E., F.I.C., Assoc.R.C.S.,

Hon. Corr. Mem. of the Imperial Russian Technical Society; Mem. of the American Chemical Society; Adviser to the Home Office and to the Corporation of London under the Petroleum Acts, &c., &c.

PETROLEUM AND ITS PRODUCTS: A PRACTICAL TREATISE.

By Dr. BOVERTON REDWOOD, F.R.S.E., F.I.C., Assoc.R.C.S.,

Hon. Corr. Mem. of the Imperial Russian Technical Society; Mem. of the American Chemical Society; Adviser to the Home Office and to the Corporation of London under the Petroleum Acts, &c., &c.

Assisted by GEO. T. HOLLOWAY, F.I.C., Assoc. R.C.S., And Numerous Contributors.

**PETROLEUM AND ITS PRODUCTS: A PRACTICAL TREATISE.**