October 1811. 



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Published the Last Day of every Month, 

 [PRICE 2s. 6d.] 



No. 162. 



THE 



li PHILOSOPHICAL MAGAZINErS) 



'^^^ COMPREHENDING 



,^^ THE VARIOUS BRANCHES OF SCIENCE, 

 THE LIBERAL AND FINE ARTS, 

 GEOLOGY, AGRICULTURE, 

 MANUFACTURES AND COMMERCE. 



NUMBER CLXII. 

 For OCTOBER 1811. 



CONTAINING THE FOLLOWING ENGRAVINGS: 



gjmi. A coloured M.ip to illustrate Dr, Campbell's Paper on theSfc^ 

 p^« inferior Strata of the Earth occurring in Lancashire. wjflft'/ 



"l ■t^z. Mr. Sadler's Apparatus for Smelting of Lead. ^■' '■''^ 



W<J.\c..) 



VA. 



BT ALEXANDER TILLOCH, 



M.R.I. A. F.S.A. EDIN. AND PERTH, &C. 



LONDOX: 



rc;iNTED BY RICHARD TAYLOR AND CO., SHOE LANE: 



^ndsoldbv RiCHARDSoss; Cadell and Davif.s; Longman,!^ 

 Hurst, Rees, Orme & Brown; Vkrvor, Hood & Sharpe; r\!Fjgx 

 Murray; Highlfy; SHFRWoooandCo.; Harding; London : ijk^i^ 

 Constable and Co. Edinburgh: Brash and Rbid, and M3|v 

 D. NiVEN, Glasgow : and Gilbert and Hodges, Dublin. ^' '!i|w 





