PROJECTION AND CALCULATION OF THE SPHERE. For Young Sea Officers; being a complete Initiation into Nautical Astronomy. By S. M. Saxby, R.N., Principal Instructor of Naval Engineers, H.M. Steam Reserve. With 77 Diagrams. Post 8vo. 5s.

By the same Author.

THE STUDY OF STEAM AND THE MARINE ENGINE. For Young Sea Officers in H.M. Navy, the Merchant Navy, &c.; being a complete Initiation into a knowledge of Principles and their Application to Practice. Post 8vo. with 87 Diagrams, 5s. 6d.

214

A TREATISE ON THE STEAM ENGINE, in its various Applications to Mines, Mills, Steam Navigation, Railways, and Agriculture. With Theoretical Investigations respecting the Motive Power of Heat and the Proportions of Steam-Engines; Tables of the Right Dimensions of every Part; and Practical Instructions for the Manufacture and Management of every Species of Engine in actual use. By John Bourne, C.E. Fifth Edition; with 37 Plates and 546 Woodcuts (200 new in this Edition). 4to. 42s.

By the same Author.

A CATECHISM OF THE STEAM ENGINE, in its various Applications to Mines, Mills, Steam Navigation, Railways, and Agriculture; with Practical Instructions for the Manufacture and Management of Engines of every class. New Edition, with 80 Woodcuts. Fcp. 8vo. 6s.

215

HANDBOOK OF FARM LABOUR: Comprising Labour Statistics; Steam, Water, Wind; Horse Power; Hand Power; Cost of Farm Operations; Monthly Calendar; Appendix on Boarding Agricultural Labourers, &c.; and Index. By John Chalmers Morton, Editor of the Agricultural Gazette, &c. 16mo. 1s. 6d.

By the same Author.