SO Ml-! MKKCURY ST.\NI>Al;l>s OF RESISTANCE, ETC. 



STANDARD Tulie W. 



Mean corrected temperature = 17'55 C. Thus 



Left. Right. 



Length of menisci = 176 divisions, 166 divisions, 



= 171/x, 



l''.i|uiv;ilfiit columns = 

 Total 



160/x, 

 83/t, 



Length of column = 76 centims. 283 left divisions 328 right divisions, 

 = 76 274/i -3 Hi/*, 



= 75-9410 centims., 

 Menisci = 0'0172 



< - irrection for tempera- . 



\ = + 0-0167 centims., 

 ture of metre. . 



Correction for error of 



nn'tre 



= 0-0023 



= 75-9726 centims. 



l)istaih'c I'miii rcf'creiicel 



mark 





= 9'41 centims. 



It \\ill l)e noted that in nearly every instance the length of the meniscus is less 

 than that calculated from the diameter of the tul>e. This is prolxihly din- to the fact 



