Vol. 34. 



October 1809. 



No. 138. 



,,^ Published the Last Day of every Month, i^ 



'^^ [PRICE 2s. 6d.] WL, 



■ ' ■ ' ■ — !1-!LJ !=!r 'tfti 1 



THE 



PHILOSOPHICAL MAGAZINE: 



♦ CeMPUEHENDlNG 



I'gl THE VARIOUS BRANCHES OF SCIENCE,* %f 



THE LIBERAL AND FINE ARTS, 



ACklCULTURE, MANUFACTURES, 



COMMERCE. 



NUMBER CXXXVIII. 

 For OCTOBER 1S09. 



CONTAINING THE FOLLOWING ENGRAVINGS: 

 f. A Quarto Plate to illustrate Mr. Kuiwan's new Anemometer; 

 engraved by PonxEa. 



2. An Octavo Plate to illustrate M. Hauy's Crystallography *i{m.| 

 engraved by Lov/ry. ^i^ 



BT ALEXANDER TILLOCH, 



M.R.I..i. F.S.A. BDIN. AND PERTH. &C. 



LONDON: ■ \ 



PKINTRI) tY UICIIAKD TAVLOIl AND CO., SHOE I-ANE: | 



Andsoldby RicuAunsorJSj Cadell and Davirsj Longman,' 

 HuKST, Rees, and Obme; Veknor, Hood, andSiiARi-K; 

 MuuKAY; HiGHLiiY; -Shekwoou and Co.; Haudinu; London : t 

 Bkll and Buadpute, and Cosstablu and Co. Kdinburgh : , 

 Hhasji and Riao, and D. Nivkn, Glasgow : and GiLB£Kr and 

 HoDGF.s, Dublin. 



vi^*Kai-^'-'<i;;;'''i'-'<i?-*'-^ii.'^-!i>-^" 



-\:_^^--^-- 



■i.-yAi 



