XX11 Faraday's Researches PAGE VII. § 9. ON THE SOURCE OF POWER IN THE VOLTAIC PILE . 232- Tf i. Exciting Electrolytes being Good Conductors . 23$ 1f ii. Inactive Conducting Circles containing an Elec- trolyte ....... 241 Tfiii. Active Circles containing Sulphuret of Potas- sium ....... 259 VIII. § 9. ON THE SOURCE OF POWER IN THE VOLTAIC PILE—Continued 271 Tf iv. The Exciting Chemical Force affected by Temperature ...... 271 ^J v. The Exciting Chemical Force affected by Dilution. ...... 284 «[ vi. Differences in the Order of the Metallic Elements of Voltaic Circles . . . 295 *([ vii. Active Voltaic Circles and Batteries without Metallic Contact ..... 298 K viii. Considerations of the Sufficiency of Chemical Action ....... 302 If ix. Thermo-electric Evidence .... 308 T[ x. Improbable Nature of the Assumed Contact Force....... 312 ON A PECULIAR VOLTAIC CONDITION OF IRON (SCHOENBEIN) . . 317 ON A PECULIAR VOLTAIC CONDITION OF IRON (FARADAY) . 321, 330 INDEX ........... 333 1f ii. Electrolytic Intensity .....