CATALOGUE OF PRACTICAL AND SCIENTIFIC BOOKS, PUBLISHED BY HENRY CAREY BAIRD, INDUSTRIAL PUBLISHER, No. 406 WALNUT STREET, PHILADELPHIA. ------------------ ☞ Any of the Books comprised in this Catalogue will be sent by mail, free of postage, at the publication price. ☞ This Catalogue will be sent, free of postage, to any one who will furnish the publisher with his address. ------------------ =ARMENGAUD, AMOUROUX, AND JOHNSON.—THE PRACTICAL DRAUGHTSMAN’S BOOK OF INDUSTRIAL DESIGN, AND MACHINIST’S AND ENGINEER’S DRAWING COMPANION=: Forming a complete course of Mechanical Engineering and Architectural Drawing. From the French of M. Armengaud the elder, Prof. of Design in the Conservatoire of Arts and Industry, Paris, and MM. Armengaud the younger and Amouroux, Civil Engineers. Rewritten and arranged, with additional matter and plates, selections from and examples of the most useful and generally employed mechanism of the day. By WILLIAM JOHNSON, Assoc. Inst. C. E., Editor of “The Practical Mechanic’s Journal.” Illustrated by 50 folio steel plates and 50 wood-cuts. A new edition, 4to., $10.00 =ARROWSMITH.—PAPER-HANGER’S COMPANION=: A Treatise in which the Practical Operations of the Trade are Systematically laid down: with Copious Directions Preparatory to Papering; Preventives against the Effect of Damp on Walls; the Various Cements and Pastes adapted to the Several Purposes of the Trade; Observations and Directions for the Panelling and Ornamenting of Rooms, &c. By JAMES ARROWSMITH, Author of “Analysis of Drapery,” &c. 12mo., cloth, $1.25 =BAIRD.—THE AMERICAN COTTON SPINNER, AND MANAGER’S AND CARDER’S GUIDE=: A Practical Treatise on Cotton Spinning; giving the Dimensions and Speed of Machinery, Draught and Twist Calculations, etc.; with notices of recent Improvements: together with Rules and Examples for making changes in the sizes and numbers of Roving and Yarn. Compiled from the papers of the late ROBERT H. BAIRD. 12mo., $1.50 =BAKER.—LONG-SPAN RAILWAY BRIDGES=: Comprising Investigations of the Comparative Theoretical and Practical Advantages of the various Adopted or Proposed Type Systems of Construction; with numerous Formulæ and Tables. By B. BAKER. 12mo., $2.00 =BAKEWELL.—A MANUAL OF ELECTRICITY—PRACTICAL AND THEORETICAL=: By F. C. BAKEWELL, Inventor of the Copying Telegraph. Second Edition. Revised and enlarged. Illustrated by numerous engravings. 12mo. Cloth, $2.00 =BEANS.—A TREATISE ON RAILROAD CURVES AND THE LOCATION OF RAILROADS=: By E. W. BEANS, C. E. 12mo. (In press.)