The World's Production and Consumption of Rubber — The Para Rubber Tree at Home and Abroad — Propagation — Planting and Cultivating — Soils and Manures — Pests — Latex — Collecting the Latex — Rubber Manufacture — The Antisepticisation of Rubber — Drying and Packing Rubber for Export — Yield of Para Rubber from Cultivated Trees — Establishment and Maintenance of a Para Rubber Plantation — Commercial Value of the Oil in Hevea Seeds.

PASTRYCOOK AND CONFECTIONER'S GUIDE. For Hotels, Restaurants, and the Trade in general, adapted also for Family Use. By R. Wells, Author of "The Bread and Biscuit Baker" 1/0

PETROL AIR GAS. A Practical Handbook on the Installation and Working of Air Gas Lighting Systems for Country Houses. By Henry O'Connor, F.R.S.E., A.M. Inst. C.E., &c., author of "The Gas Engineer's Pocket Book." 80 pages with illustrations. Crown 8vo, cloth Net 1/6

Description of Previous Plants and Systems for Country-House Lighting, Difficulties with, Objections and Prices — History of Petrol Gas, Comparative Costs — Petrol, its Nature, Dangers, and Storing, Notes on the Law regarding same — Burners, Description of same, Piping, Mantles — General Principles of Parts of Plants — Motive Power Meters — Weight-Driven Plants — Root's Blowers — Hot-Air Engines — Pelton Water-Wheels — Descriptions of Various Plants — Extract from an Act for the Safe-Keeping of Petroleum and Other Substances of a Like Nature — Appendix — Useful Notes.

PETROLEUM. THE OIL FIELDS OF RUSSIA AND THE RUSSIAN PETROLEUM INDUSTRY. A Practical Handbook on the Exploration, Exploitation, and Management of Russian Oil Properties, the Origin of Petroleum in Russia, the Theory and Practice of Liquid Fuel. By A. B. Thompson, A.M.I.M.E., F.G.S. 415 pp., with numerous Illustrations and Photographic Plates. Second Edition Revised. Super-royal 8vo, cloth Net 21/0

PETROLEUM MINING AND OIL-FIELD DEVELOPMENT. A Guide to the Exploration of Petroleum Lands, and a Study of the Engineering Problems connected with the Winning of Petroleum. Including Statistical Data of important Oil Fields. Notes on the Origin and Distribution of Petroleum, and a description of the Methods of Utilizing Oil and Gas Fuels. By A. Beeby Thompson, A.M.I.Mech.E., F.G.S. Author of "The Oil Fields of Russia." 384 pages, 114 illustrations, including 22 full-page plates. Demy 8vo, cloth. [Just Published.] Net 15/0

"It is an admirable text-book by a competent authority on an interesting subject." —Mining Magazine.

"The present effort is likely to receive a warm welcome in engineering circles, and it can be cordially commended for perusal. It will doubtless have that large sale to which its merits entitle it." —Mining World.

"The general aspects of the Petroleum Industry are fully and ably laid out." —Engineer.

PIGMENTS, ARTISTS' MANUAL OF. Showing their Composition, Conditions of Permanency, Non-Permanency, and Adulterations, etc., with Tests of Purity. By H. C. Standage. Third Edition. Crown 8vo, cloth 2/6