Intelligence and Miscellaneous Articles. 79 



the difference of potential P in C.Gr.S. units ; the second the dis- 

 placement of the meniscus of the liquid ; the third the current in 

 amperes. The last column contains the constant called b by Prof. 

 Quincke, calculated from the equation : 



,_ 1-9 r 2 v sin^ 

 ~ 300 P 

 The electromotive force of a Grove's element being put =1-9 volt. 



Pin 



O.G.S. 

 units. 



Length a = 289 millim. 



b. 



v in millim. 



J . 10 8 amp, 



Water (0 = 2° 52').. 

 Entire length. 



17-06 

 2407 

 29-54 

 3412 

 38-15 



19 163 

 31 232 

 38 299 

 43 333 



48 348 



| Mean 



ooooo 



6 <±><±><±> 6 



O O O O Q 

 OOOOO 

 OOOOO 

 rf*. >Ji. Ol oi GO 



COMOiOiO 



00000535 





Water. Half length. 





17-06 

 24-07 

 29-54 

 34-12 



21 

 31 

 36 

 42 



Mean 



0-0000530 

 00000553 

 00000525 

 0-0000540 



0-0000537 



I 



diethyl Alcohol (0=1° 9' 

 Entire length. 



)• 



1706 



24-07 

 29-54 

 34-12 



22 

 32 

 47 

 50 



129 

 171 

 199 

 224 



Mean 



0-0000223 

 0-0000230 

 0-0000275 

 0-0000253 



00000245 



I 



]thylic Alcohol (0=1° 9' 

 Entire length. 



)• 



17-06 



24-07 

 29-54 

 34-12 

 38-15 



15 

 22-5 



29-5 



36 



37 



34 

 45 

 55 

 67 

 70 



Mean 



ooooo 

 66 66 6 

 ooooo 

 ooooo 

 ooooo 



05 o os a oi 



0-0000162 



The height of ascent was thus found to be proportional to the 



