TABLE 241. 



CORRECTION FOR TEMPERATURE OF MERCURY IN THERMOMETER 



STEM.* 



/" = / 0.0000795 (P *0> > n Fahrenheit degrees; 7':=/ 0.000143 w (t 1 t), in Centigrade degrees. Where 

 7'= corrected temperature, * = observed temperature, /'= mean temperature of glass stem and mercury column, 

 n = the length of mercury in the stem in scale degrees. 



SMITHSONIAN TABLES. 



* " Smithsonian Meteorological Tables," p. 12. 

 232 



