1825.] Meteorological Table kept at Bushey Heath. 109 



Article III. 



Meteorolodcat Table kept at Bushey Heath in 1824. 

 " By Col. Beaufoy, FRS. 



(To the Editors of the Annah of Philosophy.) 



GENTIiEMEN, 



The barometer and thermometer were observed at nine 

 o'clock in the morning, at which hour the temperature of the 

 external air is nearly the same as the mean temperature; see 

 Columns 3 and 8. 



The coldest day was Jan. 14, thermometer 22 ; and the 

 hottest Sept. 2, thermometer 82°. 



June 24, the greatest degree of heat was 53°. 

 Dec. 25, thermometer 54°. 



Article IV. 



On the Mathematical Principles of Chemical Philosophy. 

 By the Rev. J. B. Emmett. 



(To the Editors of the A7inals of Philosophy.) 



GENTLEMEN Great Ouseburn., Nov. l\, 1S24. 



In several papers which have been made public through the 

 medium of your journal, I have endeavoured to investigate some 

 of the principles of chemical science, which arc chiefly of a 

 mechanical nature, and to show the agreement ot the mechanical 



