THE 



PHILOSOPHICAL MAGAZINE: 



COMPREHENDING 



THE VARIOUS BRANCHES OF SCIENCE, 



THE LIBERAL AND FINE ARTS, 



AGRICULTURE, MANUFACTURES, 



AND 



COMMERCE. 



BY ALEXANDER TILLOCH, 



HONORARY MEMBER OF THE ROYAL IRISH ACADEMY, &:C. &C. &:C. 



" Nec aranearum sane textus ideo mellor quia ex se fila gignunt, nee noster 

 vilior quia ex alienis libamus ut apes." Just. Lips. Monit. Falit. lib. i. cap. t. 



VOL. XVI. 



V-:'--. • •• -'-^ f^.'Jy 



LONDON: 



Printed for Alexander Tilloch j 



And sold by Messrs. Richardson, Cornhill ; Cadkll and Davies, Strand 



Lo.NCMAN and Rees, Patcr-noster Row; Debre'it, Piccadilly; 



Murray, No. 32, Fleetstreet ; Symonds, Pater-nostcr 



Row; Bell, No. 148, Oxlord-strect ; Vernor 



and Hood, Poultry ; Harding, No. 36, 



St. JaniCi's- street ; Hell and Bradfute, 



£dinburgh ; Brash and Reid, Glasgow ; 



and W. Gilbert, Dublin. 



1803. 

 [Tj^ltr, Printti, B lad- Horn -Court, fitet-itrtrt.] 



