Ocronmn 1821. 
~ Published He eat Day Bees ever ery Month, | 
aga 2s. 6d.) oe 
THE 
q PHILOSOPHICAL MAGAZINE 
) _ AND JOURNAL: 
"COMPREHENDING 
. 
: THE VARIOUS BRANCHES OF SCIENCE, 
THE LIBERAL AND FINE ARTS, 
GEOLOGY, 
AGRICULTURE, 
oa MANUFACTURES AND oe 
e aes COLRURIE: 
OCTOBER 1821. 
WITH A ‘PLATE 
THE HOYAL ACADEMY OF SCIENCES: MUNICH 5 AND OF THE 
"ae or SCIENCES, LITERATURE AND ARTS, LEGHORN, &e. &e: 
a eas LONDON: 
ety PRINTED ‘BY RICHARD AND ARTHUR TAYLOR, SHOE- LANE? | 
And sold by Capexu and Davies; Longman, Hurst, Rees, 
pen Bhonss Howes Susxwoon Se ake ase 
IN Py 
