112 Mr. J. H. Alexander on the Tension of Vapour of Water. 



considerable task hereafter to complete its scope by furnishing 

 a table of pressures at all useful temperatures for each degree 

 of Fahrenheit's thermometer, to whose arbitrary and otherwise 

 inconvenient scale the present investigation has served not a 

 little to reconcile me. 



Table of Temperatures corresponding to the Pressures of 

 Steam in Atmospheres. 



