Spheroidal Condition of Liquids at Common Temperatures. 437 



Energy, in kilogrammetres, exerted by each kilogramme of water 

 heated to T° Centigrade and suddenly set free 



{T -4- 274i°"^ 

 T-100 o -374°hyp.log-j^ j. 



Final volume of expansion of mixed water and steam, in cubic 



metres per kilogramme 



n , n , T + 274° 

 = 1-145 hyp. log 374Q . 



Table. 





Initial 









Fraction 



Energy of 



Initial tem- 



absolute 



Energy. 



Velocity of 



Final 



remaining 



liquid 



perature. 

 Centigrade. 



pressure. 



Atmo- 

 spheres. 



Kilogram- 

 metres. 



projection. 



Metres per 

 second. 



Cubic 

 metres. 



liquid. 



Kilo- 

 grammes. 



portion. 



Kilogram- 

 metres. 



100 



1-00 















1000 







120 



1-96 



221 



65 



0-059 



0-964 



213 



140 



3-57 



847 



129 



0-117 



0-931 



789 



160 



611 



1845 



190 



0171 



0-897 



1655 



180 



9-92 



3177 



250 



0-222 



0-865 



2748 



200 



15-37 



4824 



309 



0-272 



0-835 



4028 



220 



22-88 



6753 



364 



0-319 



0-806 



5443 



about 



unknown 



about 



about 









1293 





278130 



2337 



1-645 











Approximate formulae for temperatures not exceeding 220° C. 



423-55(T-100°) 9 

 Energy, nearly = T j 648 o • 



T, . , 2-29(T-100°) 



Expansion, nearly = — f+648 5- 



Glasgow, November 4, 1863. 



LXIII. On the Spheroidal Condition of Liquids at Common Tem- 

 peratures. By Charles Tomlinson, Lecturer on Physical 

 Science, King's College School, London*. 



IN my " Experiments on Films" (Phil. Mag. August 1861), 

 and "On the Cohesion-Figures of Liquids" (Phil. Mag. 

 October 1861 and March 1862), I had frequent occasion to 

 notice the spheroidal condition of liquids at ordinary tempera- 



* Communicated by the Author. 



