Vol. 4a 



November 1815. 



No.211» 



PHILOSOPHICAL MAGAZINE 

 AND JOUKNAL: 



COMPKEHBNDlKe 



THE VARIOUS BRANCHES O? SCIENCE, 



THE LIBERAL AND FINE ARTS, 



GEOLOGY, 



AGRICULTURE, 



MANUFACTURES AND COMMERCE. 



NUMBER CCXL 

 For NOVEMBER 1815. 



CONTAINING THE FOLLOWING ENGRAVINfeS BY PORTER: 

 L A Plate to illustrate Mr. Evans's Paper on guiding Bal- 

 loons through the Atmoiphere. 

 2. A Plate fllustrative oi^Dr. Brewster's Paper on Light. 



_^ ;^j_ l I _ 



BY ALEXANDER TILLOCH, ~ 



M.U.I.A. F.S.A. V.Hi^i, A>Jr> PEriTn, &C. 



LONDON: 



f'^H. PRINTED BY RICHARD AMO Ai^THU.I TAYLOR, SHOE LAHe: 



j|(i^^And sold by Carp-ll and Da vies; Longmak, Huhst, Rers, 

 %W ^*ME. ^ Brown; Musray; Highi.ry; Sherwood -a^A Co.} I 

 ^ih ^■^'^^"'^<*» Unuerv/oou; London: Constablk aid Co.' 

 ^,'.1 Edinburgh: Bhash and Reid, andD. Vivr- w'l-igow: 

 -indGiLBERr and HoDGESj Dublin. 



