164 INDEX. 



Temperature, effect of, upon the pile, 101. 

 Tension, electric, Davy's remarks on, 129. 

 Thenard's experiments, 80. 



opinion on the theory of galvanism, 150. 



Theory of sralvanism, 103. 

 Trommsdorff burns metallic leaves, 39. 

 Trough apparatus described, 31. 



tjnipolar bodies, Erman's remarks on, 63. 

 . Branded remarks on, 97. 



Valli's experiments and hypothesis, 6. 



Van Marum compares electricity and galvanism, 41 .. '^ 



Vassali's experiments on the human body, 49. 

 Volta's experiments, 10, 23. 



theory, 11, 16, 25, 46, 112. 



examined, 114. 



Voltaic pile (see Galvanic pile). 



Water decomposed by galvanism, 26. 



, its state in the interrupted circuit, 141 . 



Wells's experiments, 12. 

 Wollaston's elementary battery, 98. 



experiments on the chemical action of the 

 pile, 36. 



Young's observations on the action of the pile, 143* 

 Zamboni's pile described, 91. 



THE END. 



C Baldwin, Pnnttr, 

 New Bridge-street, London. 



