alony Wires and their JRe/Iexion at the Oscillator. 149 



Observations and Besults. — Four such sets of readings were 

 taken with different values of l x and l 2 . One set is shown in 

 Table I., and the data and results of the whole four sum- 

 marized in Table II. 



Table I., showing 



• readings for l 1 =117\ 



5 m. and Z 2 = 48 



m. 



Electrometer-throws with 



Electrometer-throws with 



Ratios of throws, 





Absorbing Bridge only at 



Reflecting Bridge 



viz. : — 





end of line. 



. 









at48m.-^ at48m.+^- 



8 8 







Mean 





col. 3 



col. 4 



Ratios. 







Actual 



Interpolated 



beyond the beyond the 



col. 2' 



c"d2" 





observations. 



Means. 



Electrometer. 



Electrometer. 









11 



13 



43 





3-307 







15 

















165 





44 





2-666 



2-986 



18 















17 



17-5 



42 





2400 







185 





36 





1-946 



2173 



20 



18 



41 





2-277 







16 

















15 





44 





2933 



2-605 



14 



16 



33 





2-062 







18 

















15 





33 





2-200 



2131 



12 



125 



32 





2-560 







13 

















12 





28 





2-333 



2446 



11 



135 



27 





2-000 







16 

















18-5 





46 





2-486 



2-243 



21 



22 



55 





2-500 







23 

















22 





48 





2-181 



2-340 



21 



205 



56 





2-731 







20 

















20 





43 





2-155 



2-443 



20 



20 



57 





2-850 







20 

















21 





52 





2-476 



2-663 



22 



21-5 



50 





2-325 







21 

















21o 





49 





2-279 



2-302 



22 















Whence Final Mear 



i Ratio = 243+0-05. 











