HENRY CAHEY BAIRD'S CATALOGUE. U 



GXJETTIER.— Metallic Alloys: 



Being a Practical Guide to their Chemical and Physical Properties, 

 their Preparation, Composition, and Uses. Translated from the 

 French of A. GUETTIEK, Engineer and Director of Foundries, author 

 of " La Fouderie en France," etc., etc. By A. A. Fesqtiet, Chemist 

 and Engineer. Inone volume, 12mo. $3.00 



HABBIS. — Gas Superintendent's Pocket Companion. 



By Harris & Brother, Gas Meter Manufacturers, 1115 and 1117 

 Cherry Streeit, Philadelphia. FiiU bound in pocket-book form $1.00 



Hats and Pelting: 



A Practical Treatise on their Mamifacture. By a Practical Hatter. 

 Illustrated by Drawings of Machinery, etc. 8vo. . . . $1.25 



HOFMANK. — ^A Practical Treatise on the Manufac- 

 ture of Paper in all' its Branches. 



By Carl Hofmann. Late Superintendent of paper mills in Ger- 

 many and the United States ; recently manager of the Public Ledger 

 Paper Mills, near Elkton, Md. Illustrated by 110 wood engravings, 

 and five large folding plates. In one volume, 4to., cloth; 398 

 pages $15.00 



HtTGHES. — ^American Miller and Millwright's Assist- 

 ant. 

 By Wm. Carter Hughes. A new edition. In one vol., 12mo. $1.50 



HUBST.— A Hand-Bbok for Architectural Surveyors 

 and others engaged in Building: 



Containing Formulae useful in Designing Builder's work, Table of 

 "Weights, of the materials used in Building, Memoranda connected 

 with Builders' work. Mensuration, the Practice of BuUders' Measure- 

 ment, Contracts of Labor, Valuation of Property, Summary of the 

 Practice in Dilapidation, etc., etc. By J. F. HijRST, C. E. Second 

 edition, pocket-book form, full bound $2.00 



JBRVIS.— KaUway Property : 



A Treatise on the. Construction and Management of Railways; de- 

 signed to afford useful knowledge, In the popular style, to the holders 

 of this class of property ; as well as Railway Managers, Officers, and 

 Agents. By John B. Jeevis, late Chief Engineer of the Hudson 

 River Railroad, Croton Aqueduct, etc. In one vol., 12mo., cloth $2.00 



JOHNSTON.— Instructions for the Analysis of Soils, 

 Limestones, and Manures. 

 By J. F. W. Johnston. 12mo 



