* Veblen and Lennes’s Introduction to the Real 8vo, 2 00 Infinitesimal Analysis of One Variable * Waterbury’s Vest Pocket Hand-book of Mathematics 2⅜ × 5⅜ 1 00 for Engineers inches, mor. * Enlarged Edition, Including Tables mor. 1 50 Weld’s Determinants 8vo, 1 00 Wood’s Elements of Co-ordinate Geometry 8vo, 2 00 Woodward’s Probability and Theory of Errors 8vo, 1 00 MECHANICAL ENGINEERING. MATERIALS OF ENGINEERING, STEAM-ENGINES AND BOILERS. Bacon’s Forge Practice 12mo, 1 50 Baldwin’s Steam Heating for Buildings 12mo, 2 50 Barr and Wood’s Kinematics of Machinery 8vo, 2 50 * Bartlett’s Mechanical Drawing 8vo, 3 00 * Bartlett’s Mechanical Drawing Abridged Ed. 8vo, 1 50 * Bartlett and Johnson’s Engineering Descriptive 8vo, 1 50 Geometry * Burr’s Ancient and Modern Engineering and the 8vo, 3 50 Isthmian Canal Carpenter’s Heating and Ventilating Buildings 8vo, 4 00 * Carpenter and Diederichs’s Experimental Engineering 8vo, 6 00 * Clerk’s The Gas, Petrol and Oil Engine 8vo, 4 00 Compton’s First Lessons in Metal Working 12mo, 1 50 Compton and De Groodt’s Speed Lathe 12mo, 1 50 Coolidge’s Manual of Drawing 8vo, paper, 1 00 Coolidge and Freeman’s Elements of General Drafting Oblong 4to, 2 50 for Mechanical Engineers Cromwell’s Treatise on Belts and Pulleys 12mo, 1 50 Treatise on Toothed Gearing 12mo, 1 50 Dingey’s Machinery Pattern Making 12mo, 2 00 Durley’s Kinematics of Machines 8vo, 4 00 Flanders’s Gear-cutting Machinery Large 12mo, 3 00 Flather’s Dynamometers and the Measurement of Power 12mo, 3 00 Rope Driving 12mo, 2 00 Gill’s Gas and Fuel Analysis for Engineers 12mo, 1 25 Goss’s Locomotive Sparks 8vo, 2 00 * Greene’s Pumping Machinery 8vo, 4 00 Hering’s Ready Reference Tables (Conversion Factors) 16mo, mor. 2 50 * Hobart and Ellis’s High Speed Dynamo Electric 8vo, 6 00 Machinery Hutton’s Gas Engine 8vo, 5 00 Jamison’s Advanced Mechanical Drawing 8vo, 2 00 Elements of Mechanical Drawing 8vo, 2 50