LIBRARY OF ILLUSTRATED 
STAV DARD SCIENTIFIC WORKS. 
English Editions at the price of the Reprints. . 
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Professor Muller’s Principles of Physics and Meteorology. 
WITH 530 woopCUTS AND TWO COLORED ENGRAVINGS. 8yvo. $4. 
Professor Wiesbach’s Mechanics of Machinery and Engineering. 
VOLS. WITH 900 woopcuts. $7 50. 
Professor Kunapp’s Technology5 or, 
‘Chemistry Applied to the Arts and to Manufactures. 
EDITED BY DR. RONALDS AND DR.T. RICHARDSON. 
3 VOLS. SPLENDIDLY ILLUSTRATED, PRICE $14. 
Vol, I. New Edition, containing : 
Fuel and its Application, thoroughly Dlustrated. $5. 
Vol. FEI. recently published, containing : 
Sugar, Coffee, Tea. $5. 
Quekett’s (Ichn) Practical Treatise on the use of the Microscope: 
SECOND EDITION, WITH TWELVE STEEL AND NUMEROUS WOOD 
ENGRAVINGS. 8vo. $5, 
Professor Fau’s Anatomy of the External Forms of Man, 
FOR ARTISTS. 
EDITED BY 8. ENOX,. M.D; 
8VO. AND AN ATLAS OF 28 PLATES 470, PLAIN $6. coLoRED $10. 
Professor Graham’s Elements of Chemistry, with its Applications 
: in the Arts, 
SECOND EDITION, WITH NUMEROUS WOODCUTS. VOL. I. $3. 
_Vol. II. in the Press. 
Professor Nichol’s Architecture of the Heavens. 
NINTH EDITION, WITH 23 STEEL PLATES AND MANY WOODCUTS. LONDON, 1851. $3 50. 
Mitchell’s (J.) Manual of Practical Assaying. 
FOR THE USE OF METALLURGISTS, CAPTAINS OF MINES, AND ASSAYERS IN GENERAL. 
SECOND EDITION, MUCH ENLARGED, WITH ILLUSTRATIONS, ETC. $5. 
In the Press. 
A Complete Treatise on Metallurgy and the Chemistry of the 
BY DRS. RONALDS AND RICHARDSON. 
sa 
