1825.] New Scientific Books. 397 



Article XI. 

 NEW SCIENTIFIC BOOKS. 



PREPARING FOR PUBLICATION, 



Dr. Olinthus Gregory has in the press a work on Pure and Mixed 

 Mathematics, with their Practical Apphcations, intended especially 

 for the Use of Mechanics and Civil Engineers. In 1 volume, 8vo. 

 illustrated with numerous Diagrams and Wood- cuts. 



JUST PUBLISHED. 



On the Safety Lamp, for preventing Explosions in Mines, Houses, 

 &c. By Sir Humphry Davy, Bart. Pres. Koyal Society. With Ad- 

 ditions. 8vo. Is. 6d. 



Forsyth's Medical Pocket Book. 6s. 



Keating's Travels to St. Peter's River, &c. i.1. Ss. 



An Attempt to establish the First Principles of Chemistry by Expe- 

 riment. By T. Thomson, MD. &c. 2 vols. 8vo. 1/. 10s. 



Nicholson's Operative Mechanic. 100 Plates. 8vo. 1/. IO5. 



Article XII. 

 NEW PATENTS. 



Chevalier Joseph de Mettemberg, Foley-place, Mary-le-bone, phy- 

 sician, for a vegetable mercurial and spirituous preparation called 

 Quintessence Aidepsorique, and also a particular method of employing 

 the same by absorption as a specific and cosmetic. — Feb. 26. 



J. Masterman, Old Broad-street, for an improved method of cork- 

 ing bottles. — March 5. 



A. H. Chambers, and E. Chambers, Stratford-place, Mary-le-bone, 

 and C. Jearrard, Adam-street, Manchester-square, for a new filtering 

 apparatus. — March 5. 



W. Halley, Holland-street, Blackfriars-road, iron-founder and 

 blowing-machine maker, for improvements in forges, and on bellows or 

 apparatus to be used therewith or separate. — March 5. 



R. Winch, Steward's Buildings, Battersea Fields, engineer, for im- 

 provements in rotary pumps for raising water, &c. — March 5. 



W. H. James, Cobourg-place, Winson Green, near Birmingham, 

 engineer, for improvements on rail-ways, and carriages to be employed 

 thereon. — March 5. 



W. Hirst and J. Wood, Leeds, for improvements in cleaning, milling, 

 or fulling cloth. — March 5. 



J. L. 15ond, Newman-street, Mary-le-bone, architect, and J. Turner, 

 Well-street, Mary-le-bone, builder, for improvements in the construc- 

 tion of windows, ciisements, folding sashos, and doors, by means of 

 which the same are hung and hinged in a manner adapted more eft'ec- 

 tually to exclude rain and wind, and to ali'ord a free circulation of air. 

 —March 9. 



