Table MQ {continued). 



VAPOR PRESSURES. 



m 



TABLE 178 (a). — Vapor Pressures at Low Temperatures. 



Many of the following values are extrapolations made by Langmuir by means of plots of log. p against i/T. 

 Elect. Rev. 23, 681, 1920. i bar = 0.000000987 atm. = 0.000750 mm Hg. 



Gen. 



Smithsonian Tables. 



