FEBRUARY 1820. Pie S34. 
& 
THE 
1&3 PHILOSOPHICAL MAGAZINE] 
AND JOURNAL: 
COMPREHENDING 
THE VARIOUS BRANCHES OF SCIENCE, 
THE LIBERAL AND FINE ARTS, * 
AGRICULTURE, MANUFACTURES, 
ae AND COMMERCE, , 
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LIV GEN aN 
NUMBER CCCXXXIV. 
For FEBRUARY 1826. 
WITH A PLATE 
Tiustrative of Prof. Hans’-._«’s Paper on the Magnetic Poles 
of the Earth, 
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_ By RICHARD TAYLOR, F.LS. 
MEMBER OF THE ASTRONOMICAL SOCIETY OF LONDON; OF THE METEOROLO- 
GICAL SOCIETY ; AND OF THE ROYAL ASIATIC SOCIETY 
OF GREAT BRITAIN AND IRELAND. 
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LONDON: 
PRINTED BY RICHARD TAYLOR, SHOE-LANE: 
Id by Cadell; Longman, Rees, Orme, Brown, and Green; Baldwin, Cradock, 
ey; Sherwood, Gilbert, and Piper; Harding; Underwood} 
2 sa arshall; London :—and by Constable and Co. Edinburgh 3 
| enman, Glasgow 
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