HENRY CAREY BAIRD'S CATALOGUE. 11 



GUETTIER— Metallic AUoys: 



Being a Practical Guide to their Chemical and Physical Properties, 

 their Preparation, Composition, and Uses. Translated from the 

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

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

 and Engineer. In one volume, 12mo $3.00 



HARRIS. — Gas Superintendent's Pocket Companion. 



By Haeeis & Brother, Gas Meter Jfanufacturers, 1115 and 1117 

 Cherry Street, Philadelphia. Full bound in jjocket-book form $1.00 



Hats and Pelting: 

 A Practical Treatise on their Manufacture. 'By a Practical Hatter. 

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



HOFMANN. — 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 jdates. In one volume, 4to., cloth; 398 

 pages $15.00 



HUGHES.— American Miller and Millwright's Assist- 

 ant. 



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



HURST.— A Hand-Book for Architectural Surveyors 

 and others engaged in Building: 



Containing Formulte useful in Designing Builder's Avork, Table of 

 Weights, of the materials used in Building, Memoranda connected 

 with Bviilders' work, ilensuration, the Practice of Builders' Measure- 

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

 Practice in Dilapidation, etc., etc. By J. F. Hi'RST, C. E. Second 

 edition, pocket-book form, full bound $2.00 



JERVIS.— Railway Property : 



A Treatise on the Construction and Management of Railwavs ; 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. Jervis, 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 



