Vol. 41. 



March 1813. 



No. 179. 



FubJished the Last Day of every Moiiibf M^^ 



[PRICE 2s. 6d.] 



■'^ 



THE 



|PHILOSOPHICAL MAGAZINE: 



COMPREUEKDING 



THE VARIOUS BRANCHES OF SCIENCE, 



THE LIBERAL AND FINE ARTS, 



GEOLOGY, 



AGRICULTURE, 



MANUFACTURES AND COMMERCE. 



m 



NUMBER CLXXIX. 

 For MARCH 1813. 



CONTAINING THE FOLLOWING ENGRAVINGS: 



]l. Mr. Goss's Instrument to work Addition of Numbers with .v^iij\^ 

 Accuracy and Dispatch. '^. % 



j2. Mr. Davis's hatiging Scaffold; and Mr. Martin's Method ^-Wj! 

 of relieving a Horse from a Cai-t when fallen down in itsMf[r<^ 

 Shafts. ^ \MMi 



BT ALEXANDER TILLOCH, 



M.R.I.A. F.S.A. EDIN. AND PEltTH, &rc. 



LONDON: 



PRINTED BT RICHAKO TAYLOR AND CO., SHOE LANE: 



iAndsoldby Richardsoms; Cadell and Davibsj Longman,^ 

 Hurst, Rees, Oume& Brown; Murray; Higmley; Sher- 

 wood and Co.; Hardipjg; London: Constable and Co. 

 gSw Edinburgh: Brash and Heid, and D. Niven, Glasgow: 

 yj^n/ and Gilbert and Kodges, Dublin. 



