Dry Rot.
A Treatise on the Origin, Progress, Prevention, and Cure of Dry Rot in Timber, Remarks on the Means of Preserving Wood from Destruction by Sea-Worms, Beetles, Ants, &c. By Thomas Allen Britton, late Surveyor to the Metropolitan Board of Works, &c., &c.
To be completed in 12 Monthly Parts, 4to, sewed, 5s. each, Parts I. to V. now ready.
Mining Engineering.
A Practical Treatise on Coal Mining. By G. G. André, F.G.S., Mining Civil Engineer, Member of the Society of Engineers. With Plates of Practical Drawings.
Foolscap 8vo, cloth, 6s.
Slide Valve.—On Designing Valve Gearing.
By Edward J. Cowling Welch, Memb. Inst. Mechanical Engineers. With Diagrams.
London: E. & F. N. SPON, 48, Charing Cross.
New York: 446, Broome Street.