242 



quantity remains the same it will be concludcd that it is 

 depending on the resistance in the circuit. 



In the forraula (1) a fiinction of R^ or the recistance 

 in the circuit must therefore be introdaced, in case the di- 

 stance r of which the resistance is also depending, could 

 not be in all restored by B, which in this instant would 

 receive'the signification of the resistance in the whole circuit. 



For this time we will leave these relations and tako 

 them up in a following paper. 



§ 3. On the experiments it was always observed that 

 water was running down, through which the quantity 

 drawn up was diminished. To prevent this, a new tube L3 

 was made, of the same dimensions, but with a lacing in 

 about 7,1 cm from the lower end. The purpose was that 

 the down-running water should be seizcd by the dröp, 

 which was believed to form itself easier in the lacing in 

 than elsewhere in it. 



With this tube the following experiments were made 

 using dest. water. 



See Table of Obs. Series IV. 



From this series it results that the lacing in bad exer- 

 cised a marked influence and that the quantity of the drawn 

 water augments more in the first half minute than after- 

 wards. The factor in the formula which expresses its de- 

 pendence on time, must therefore receive such a form that 

 this circumstance is expressed. The properties of this fac- 

 tor must be dependant on future researches. 



In this series was taken the number of sparks, recei- 

 ved when the tube was away, 3 times and the result was 

 the average value 32,7 instead of 49,7. It secms thus that 

 the resistance is very much diminished by the capillary tube 

 or the water-pillar in it. 



At different distances the following results were ob- 

 tained: 



See Table of Obs. Series V. 



