£1 8s.

“Of this book we may unreservedly say that it is the best of its class which we have ever met.... A book of reference which no one engaged in the iron or coal trades should omit from his library.”—Iron and Coal Trades Review.

ASBESTOS AND ASBESTIC.

Their Properties, Occurrence, and Use. By Robert H. Jones, F.S.A., Mineralogist, Hon. Mem. Asbestos Club, Black Lake, Canada. With Ten Collotype Plates and other Illustrations. Demy 8vo, cloth.

[Just Published. 16/0

“An interesting and invaluable work.”—Colliery Guardian.

GRANITES AND OUR GRANITE INDUSTRIES.

By George F. Harris, F.G.S., Membre de la Société Belge de Géologie, Lecturer on Economic Geology at the Birkbeck Institution, &c. With Illustrations. Crown 8vo, cloth

2/6

“A clearly and well-written manual for persons engaged or interested in the granite industry.”—Scotsman.