Vol. 3. June 1828 



No. 18. 





Published the First Day of every Month. — Price 2s, 6d. 



THE 



PHILOSOPHICAL MAGAZINE 



AND 



ANNALS OF PHILOSOPHY: 



COMPREHENDING 



THE VARIOUS BRANCHES OF SCIENCE, THE LIBERAL p 

 AND FINE ARTS, AGRICULTURE, MANUFACTURES, 

 AND COMMERCE. 



NEW SERIES. 



NM8.-JUNE 1828. 



WITH A PLATE, 



Illustrative of Mr. R.Walker's Paper on the artificial Production 

 of Cold. 



BY 



RICHARD TAYLOR, F.S.A. F.L.S. M. Astr. S. &c. 



AND 



RICHARD PHILLIPS, F.R.S. L. & E. F.L.S. &c. 



JLonDon ; 



PRINTED BY AND FOR RICHARD TAYLOR, RED LION COURT, FLEET STREET ! 



And sold by Baldwin and Cradock ; Longman, Rees, Orme, Brown, and 

 Green; Cadell; Sherwood, Gilbert, and Piper; Simpkin and Marshall; 

 Underwood ; W. Phillips ; Harding; Highley : — and by Adam Black, Edin- 

 burgh j Smith and Son, Glasgow : and Hodges and M* Arthur, Dublin. 



