156 New Scientific Books. ' [Auo. 



Article XIII. 

 NEW SCIENTIFIC BOOKS. 



PREPARING FOR PUBLICATION. 



A Treatise on Volcanoes, and their Connexion with the History of 

 the Globe. By G. P. Scrope. 8vo. 



A Course of Studies in Plane Geometry. By T. S. Davies, Private 

 Teacher of Mathematics, Bristol. 



Materia Indica, or some Account of those Articles which are 

 employed by the Hindoos and other Eastern Nations, in their Medi- 

 cine, Arts, Agriculture, and Horticulture. By Whitelaw Ainslie, 

 MD. MKAS. late of the Medical Staff of Southern India. 8vo. 



JUST PUBLISHED. 



An Historical and Descriptive Narrative of Twenty Years' Residence 

 ia South America; containing Travels in Arauco, Chile, Peru, and 

 Columbia ; with an Account of the Revolution. By W. B. Stevenson. 

 3 vols. 8vo. 21, 2s, ^ . 



Practical Remarks upon Indigestion, particularly as connected with 

 Bilious and Nervous Affections of the Head, &c. Illustrated by Cases. 

 ByJohnHowship, MRCS.&c. 8vo. 7*. 

 • Rennie on Gout. 8vo. 5*. 6d. 



Welbank on Syphilis. 8vo. Is. 6d. 

 . The Theory and Practice of Warming and Ventilating Public Build- 

 ings, &c. 20 Plates. 8vo. 18^. 



Lynn's Nautical Tables. Royal 8vo. 2/. 2*. 



. : ^. . Article XIV. 



•' aof-noJ :rf"t;-"NEW PATENTS. 



J. F*8, F^hlW&lh'/Devonshire, rectifying distiller, for an improved 

 safe to be used in the distillation of ardent spirits. — May 14. 



C. Macintosh, Crossbasket, Scotland, for a new process for making 

 steel.— May 14..'^;"^ ^TJ':'' 



J. Badams, AsWteldf,* ri'^ar Birmingham, Chemist, for a new method of 

 extracting certain metals from their ores, and purifying certain metals. 

 —May 16. 



I. Reviere, Oxford-street, gunmaker, for an improved construction, 

 arrangement, and simplification of the machinery by which guns, pis- 

 tols, and other fire-arms are discharged. — May 20. 

 " W. H. James, Coburg-place, Winson-green, near Birmingham, engi- 

 ikeer, for certain improvements in apparatus for diving under water, 

 and which apparatus is also applicable to other purposes.— May 31. 



J. H. Sadier, Hoxton, Middlesex, machinist, for an improved power 

 loom for the weaving of silk, cotton^ linen, wool, flax, and hemp, and 

 mixtures thereof. — xMay 31. 



J, h\ Ledsam, merchant, and B, Cook, brass-founder, both of Bir« 



