Mr. W. H. Preece. Effects of Temperature on [Feb. 22^ 



Remarks. 





hot water removed and cold water 

 poured in. 



Experiment stopped and everything left 



undisturbed till next morning. 

 Cooling by means of ice commenced. 









°SSSiSSS^§ 88888888888 88§8 

 ggggSSSSpg 8§§SS8S§§§S §8§p 





• ~ ~ - ~ ~ ~ ~ ~ ~ 









mmsm iniiiiiiii ins 



ft 



jh.*.**^.* i = — = « = = = = 





i 





i 





Copper 

 sulphate 

 solution. 





1 



Hour. J 



10.30 A.M. 



7.15 p.m. 

 11.40 A.M. 



1 P.M. 



Date. 



Dec. 11 



Dec. 11 

 Dec. 12 



