The Mechanician and Constructor for Engineers, comprising Forging, Planing, Lining, Slotting, Shaping, Turning, Screw-cutting, etc., by Cameron Knight, _illustrated by 96 4to plates, containing 1147 illustrations, and 397 pages of letterpress_, 4to, cloth £2 10 0 Or, half-bound French morocco £2 12 6 =Mechanics.= The Essential Elements of Practical Mechanics, based on the principle of work, designed for Engineering Students, by Oliver Byrne, formerly Professor of Mathematics, College for Civil Engineers, second edition, _illustrated by numerous wood engravings_, post 8vo, cloth 7 6 =Mechanics.= The Principles of Mechanics and their Application to Prime Movers, Naval Architecture, Iron Bridges, Water Supply, etc., by W. J. Millar, C.E., Secretary to the Institution of Civil Engineers and Shipbuilders, Scotland, crown 8vo, cloth 4 6 =Metric Weights and Measures.= Scales for the Ready Comparison of British and Metric Weights and Measures, by A. L. Newdigate, M.A., in neat cloth case 5 0 =Military Terms.= A Handy Dictionary of Military Terms, by Major W. W. Knollys, F.R.G.S., 93rd Sutherland Highlanders, Garrison Instructor, Home District, etc., 18mo, cloth 2 0 =Mill Gearing.= A Practical Treatise on Mill Gearing, Wheels, Shafts, Riggers, etc., for the use of Engineers, by Thomas Box, post 8vo, cloth, _with eight plates_ 5 0 =Millwright's Guide.= The Practical Millwright's and Engineer's Ready Reckoner, or Tables for finding the diameter and power of cog-wheels, diameter, weight and power of shafts, diameter and strength of bolts, etc., by Thomas Dixon, fourth edition, 12mo, cloth 3 0 =Mine Engineering.= A Practical Treatise on Coal Mining, by George G. André, Mining Civil Engineer, F.G.S., Assoc. Inst. C.E., _numerous plates_, 2 vols., royal 4to, cloth £3 12 0 =Mining.= Records of Mining and Metallurgy; or, Facts and Memoranda for the use of the Mine Agent and Smelter, by J. Arthur Phillips and John Darlington, in crown 8vo, cloth, _illustrated with wood engravings_ 4 0 =Oilman's Calculator.= The Oilman's Calculator, containing Tables showing the Conversion in Imperial Gallons of any Weight of Oil of a specific Gravity of from ·700 to ·960, from 1 lb. to 400 cwt.; Prices per Gallon equivalent to Prices per Ton at 16 different Weights, from £3 to £100; Contents of Circular Tanks in Imperial Gallons from 3 feet to 36 feet diameter; Conversion of Foreign Moneys and Weights into British Value, etc., by James Ireland, 8vo 7 6 =Pyrology.=