Wolff's Windmill as a Prime Mover 8vo, 3 oo 



Wood's Rustless Coatings: Corrosion and Electrolysis of Iron and Steel. .8vo, 4 oo 



MATHEMATICS. 



Baker's Elliptic Functions 8vo, i 50 



* Bass's Elements of Differential Calculus i2mo, 4 oo 



Briggs's Elements of Plane Analytic Geometry i2mo, ioo 



Compton's Manual of Logarithmic Computations 12 mo, i 50 



Davis's Introduction to the Logic of Algebra. . 8vo, i 50 



* Dickson's College Algebra Large xarno, i 50 



* Introduction to the Theory of Algebraic Equations Large i2mo, i 25 



Ecich's Introduction to Projective Geometry and its Applications 8vo, 2 50 



Halsted's Elements of Geometry 8vo, i 75 



Elementary Synthetic Geometry 8vo, i 50 



Rational Geometry. i2mo, i 75 



*<Johnson's (J. B.) Three-place Logarithmic Tables: Vest-pocket size. paper, is 



100 copies for 5 oo 



* Mounted on heavy cardboard, 8X 10 inches, 25 



10 copies for 2 oo 



Johnson's (W. W.) Elementary Treatise on Differential Calculus. .Small 8vo, -\ oo 



Johnson's (W. W.) Elementary Treatise on the Integral Calculus . Small 8vo, i 50 



Johnson's (W. W.) Curve Tracing in Cartesian Co-ordinates 12 mo, i oo 



Johnson's (W. W.) Treatise on Ordinary and Partial Differential Equations. 



Small 8vo, 3 50 



Johnson's (W. W.) Theory of Errors and the Method of Least Squares. i2mo, i 50 



* Johnson's (W. W.) Theoretical Mechanics 1 2ino, 3 oo 



Laplace's Philosophical Essay on Probabilities. (Truscott and Emory.) . 12 mo, 2 oo 



* Ludlow and Bass. Elements of Trigonometry and Logarithmic and Other 



Tables 8vo, 3 oo 



Trigonometry and Tables published separately Each, 2 oo 



* Ludlow's Logarithmic and Trigonometric Tables 8vo, i oo 



Maurer's Technical Mechanics 8 . , 4 oo 



Merriman and Woodward's Higher Mathematics 8vo, 5 oo 



Merriman's Method of Least Squares 8vo, 2 oo 



Rice and Johnson's Elementary Treatise on the Differential Calculus. . Sm. 8vo, 3 oo 



Differential and Integral Calculus. 2 vols. in one Small 8vo, 2 50 



Wood's Elements of % Co-ordinate Geometry 8vo, 2 oo 



Trigonometry: Analytical, Plane, and Spherical i2mo, i oo 



MECHANICAL ENGINEERING. 



MATERIALS OF ENGINEERING, STEAM-ENGINES AND BOILERS. 



Bacon's Forge Practice i2mo, i 50 



Baldwin's Steam Heating for Buildings i2mo, 2 50 



Barr's Kinematics of Machinery 8vo, 2 50 



* Bartlett's Mechanical Drawing 8vo, 3 oo 



" Abridged Ed 8vo, 150 



Benjamin's Wrinkles and Recipes i2mo, 2 oo 



Carpenter's Experimental Engineering 8vo, 6 oo 



Heating and Ventilating Buildings 8vo, 4 oo 



Cary's Smoke Suppression in Plants using Bituminous Coal. (In Prepara- 

 tion.) 



Clerk's Gas and Oil Engine Small 8vo, 4 oo 



Coolidge's Manual of Drawing 8vo, paper, i oo 



Coolidge and Freeman's Elements of General Drafting for Mechanical En- 

 gineers ,.,,,,., Oblong 4to, 2 50 



11 



