March 1813, 



Philosophical Magazine. 



Contents of Number 179. 



Pajr,. 



XXV. Account of the late Earthquake at the Caraccas. 161 ^i^ 



XXVI. Desciiption of a mechanical Instrument to Work 



Addition ot" Numbers with Accuracy and Dispatch. By v^s-ra 



166 Mil 

 XXVII. Dissertation on the Paintings of the middle Age, K§ ^„p 



and those called Goih.ici Extracted from an unpublished 

 Work on Painting, by M. Paillot DE MoNTABERT - 17m 



'M XXVIII. Remarks on Don Joseph Rodriguez's Ani- 

 madversions on Part of the Trigonometrical Survey of Eng- 

 liT.l By| Olinthus Gregory, LL.D. of the Royal Mi- 

 ^^\ litary Academy, Woolwich ..... l'78|;;M.'!Si§ 



^jjM XXIX. Description of a hanghig Scaffold to be used in 

 repaiiing or painting Outside Walls of Houses. By Mr. 

 jJo3EPH Davis - - . i . . . 



s^V XXX. Method of relieving a Hotse from a Cart when 

 '^'nfallen down in its Shafts. By Mr. Joseph Martin - 



XXXI. An Attempt to determine the definite and simple 

 Jl%^ Proportions, in which the constituent Parts of unorganic 

 ^^% Substances are united with each other. By Jacob Eerze- 

 ^^ Lius, Professor of Medicine and Pharmacy, and M,R. A. 

 Stockliolm .-.-.... 



/?|) 1'^ XXXII. On the Removal of Impediments to the Ac- 

 ^^^ quirement of Vision by Persons cured of Cataract 



XXXIII. An Essay on the Medical Effects of Cli- 

 mates ----- 210 



XXXIV. Notices respecting New Books - - - 214 



XXXV. Proceedings of Learned Societies ... 221 



XXXVI. Intelligence and Miscellaneous Articles. — Mete- 

 orological Table, &c. 233 



196; 



240 ^^^ 

 *^* Communications for this Work, addressed to the Editor, | 



ZWi Pickett- Place, Temple Bar, will meet with evel-y attention. 



<>;a.-'A/ ■^■~xvj\f?:^:'?>ni^ 



P..TAYi.O& AND CO. FklNTBELS, SHOK LAME, FtEET STKBET, LONOOJR. 



