466 



TIEPOUT — 1884. 



Clifton, by Ayrlon and P .y, by von Zalin, and by most other experi- 

 menters on the subject.' 



Fk;. 1. — Kolilrausch's Eiirly Form of Condenser. 



T'otli the plates aro insulaled by .silk Uirends. Tlio tixcil ivire rf, Avilh wliicli the raisoil |>l;i; 

 roines into i-ontact. leads to a IWlmaii elect rcnuetcr. The eoiiiiectioiis are arr:iii;;vi| i'-' 

 deterraininp the ' elcctroscopic tension ' on tiie polos of jm opon l>attcry, to see if it i- ili 

 same as the E.M.I', See Poffg. Ann. 1818, vul. 7,"(, pp. 88 and 2'.'0. 



T 



lis apparatus he also used to measure the Volta effeet lietwecii two metals, liis clas<iivi! 

 memoir on the suliject liein-^ in I'<i;i;i, Ann. lH.51, vol. 8-J, p. 1. l.afer ho iin]'iM\ '1 

 the condenser, bringinj;' it into the form shown in the following iigurc. 



Fia. 2.— Kohlrausch's Later Form of Condenser. See Poffr/. Ann. 1 853, vol. 88, p. W. 



' Kolilrausch's method con.sistcd in bringing the plates of the (wo metals clofo 

 together, connecting them by a wire for an instant, separating them, and putting Lmc 



