NORTHCOTT.—LATHES AND TURNING, Simple, Mechanical and Ornamental. By W. H. Northcott. With 338 Illustrations. 8vo., 18s.

SHELLEY.—WORKSHOP APPLIANCES, including Descriptions of some of the Gauging and Measuring Instruments, Hand-cutting Tools, Lathes, Drilling, Planeing, and other Machine Tools used by Engineers. By C. P. B. Shelley, M.I.C.E. With an additional Chapter on Milling by R. R. Lister. With 323 Woodcuts. Fcp. 8vo., 5s.