io HENRY CAREY BAIRD & CO.'S CATALOGUE. 



DAVIBS. A Treatise on Metalliferous Minerals and Mining? 

 By D. C. DAVIES, F. G. S., Mining Engineer, Examiner of Mines, 

 Quarries and Collieries. Illustrated by 148 engravings of Geological 

 Formations, Mining Operations and Machinery, drawn from the 

 practice of all parts of the world. 2d Edition, I2mo., 450 pages $5.00 



DAVIES. A Treatise on Slate and Slate Quarrying: 



Scientific, Practical and Commercial. By D. C. DAVIES, F. G. S., 

 Mining Engineer, etc. With numerous illustrations and folding 

 plate*. larao $2.00 



DAVIS. A Treatise on Steam-Boiler Incrustation and Meth- 

 ods for Preventing Corrosion and the Formation of Scale : 

 By CHARLES T. DAVIS. Illustrated by 65 engravings. 8vo. $1.50 



DAVIS. The Manufacture of Paper : 



Being a Description of the various Processes for the Fabrication, 

 Coloring and Finishing of every kind of Paper, Including the Dif- 

 ferent Raw Materials and the Methods for Determining their Values, 

 the Tools, Machines and Practical Details connected with an intelli- 

 gent and a profitable prosecution of the art, with special reference to 

 the best American Practice. To which are added a History of Pa- 

 per, complete Lists of Paper-Making Materials, List of American 

 Machines, Tools and Processes used in treating the Raw Materials, 

 and in Making, Coloring and Finishing Paper. By CHARLES T. 

 DAVIS. Illustrated by 156 engravings. 608 pages, 8vo. $6.00 



DAVIS. The Manufacture of Leather: 



Being a description of all of tl Processes for the Tanning, Tawing, 

 Currying, Finishing and Dyeing of every kind of Leather ; including 

 the various Raw Materials and the Methods for Determining their 

 Values; the Tools, Machines, and all Details of Importance con- 

 nected with an Intelligent an-d Profitable Prosecution of the Art, with 

 Special Reference to the Best American Practice. To which are 

 added Complete Lists of all American Patents for Materials, Pro- 

 cesses, Tools, and Machines for Tanning, Currying, etc. By CHARLES 

 THOMAS DAVIS. Illustrated by 302 engravings and 12 Samples of 

 Dyed Leathers. One vol., 8vo., 824 pages . . . $10.00 



DAWIDOWSKY BRANNT. A Practical Treatise on the 

 Raw Materials and Fabrication of Glue, Gelatine, Gelatine 

 Veneers and Foils, Isinglass, Cements, Pastes, Mucilages, 

 etc.: 



Based upon Actual Experience. By F. DAWIDOWSKY, Technical 

 Chemist. Translated from the German, with extensive additions, 

 including a description of the most Recent American Processe>, by 

 WILLIAM T. BRANNT, Graduate of the Royal Agricultural College 

 of Eldena, Prussia. 35 Engravings. I2mo. . . . $2.50 



DE GRAFF. The Geometrical Stair-Builders' Guide : 



Being a Plain Practical System of Hand-Railing, embracing all its 

 necessary Details, and Geometrically Illustrated by twenty-two Steel 

 Engravings ; together with the use of the most approved principle* 

 of Practical Geometry. By SIMON DE GRAFF, Architect. +to. 



