Transmission of Electric Waves along Wires. 3&3 



the second set gave 



mean d' -,. ai)a ( ki\ 



mean y = — = 1 ozb ; .... (01 ) 



the readings being contained in Table V. 



Table V. — Reflected System for Medium Condenser. 



Electron eter-Throws, d, 

 without Condenser on. 



Electro in eter -T h rows, 

 d', with Condenser at l 2 

 bej ond Electrometer. 



Ratio of Throws, 4> 

 d 



for each position. 



Actual 



Interpolated 



h= 



h= 



k = 



h = 



Throws. 



Means. 



48 m -\/8. 



48m+\/8. 



48 m -X/8 



48 1 " + A/8. 



25 



25 



42 





1-680 



25 



26 





42 





1-615 



27 



26 5 



46 





1-736 





26 



28-5 





53 





1-860 



31 



29-5 



55 





1-864 





28 



29 





50 





1-724 



30 



31 



54 





1-742 





32 



33 





54 





1-636 



34 



33-5 



52 





1-552 





33 



33 





50 





1-515 



33 ' 



32 



51 





1-594 





31 



305 





47 





1-541 



30 



30 



49 





1-633 





30 



30 





47 





1-567 



30 



30 



50 





1-667 





30 



29 





44 





1517 



28 



28-5 



42 





1-474 





29 



28 





44 





1-571 



27 



26-5 



42 





1-585 





26 



23 





33 





1-435 



20 















1 



Li'ithmetic M 

 Whence 



!eans. 



1-653 



1-598 



Mean of Me 



ins = 1 626. 



(iii.) Interference System. For this disposition of the appa 

 ratus four sets of readings were taken. One of these is given 

 in Table VI. On fig. 8 are plotted the points from all the 

 readings, and the curve through their mean position is shown 

 also. 



