160 INDEX, 



Chemical hypothesis of the pile, 134. 

 Circaud's experiments on fibrine, 50. 

 Charcoal employed to form a pile, 33. 

 Children's battery, 92, 95, 99. 



experiments, 93, 95, 100. 



Cruickshanks's experiments, 29. 



invents the trough apparatus, 31. 



Current, galvanic, remarks on, 45, 83. 

 Cuthbertson's experiments, 47. 



- observations on the action of the pile, 123. 



Davy disengages gases from separate portions of water, 32, 



forms new galvanic combinations, 33. 



's experiments on the action of galvanism upon water, 



34, 67. 



_ decomposition of salts, 68. 



, of alkalies and earths, 74, 78. 



's hypothesis of galvanism, 72, 129. 



Definition of galvanism, 1, 104. 

 Delametherie on the contraction of fibrine, 50. 

 De Luc discovers the electric column, 89. 



J s experiments on the pile, 82. 



. hypothesis of its action, 86. 



objections to the hypothesis of electric energies, 



132. 

 Desormes* experiments, 39. 



pile, account of, 92. 



Dessaignes* experiments, 101. 

 Donovan's hypothesis, 150. 



Earths, decomposition of, 78. 



Electric acid, supposed discovery of, 36. 



Electrical and chemical hypothesis of the pile compared, 



110, 136. 

 Electric column described, 89. 



energies, what, 131. 



objections against, 132. 

 intensity, in what it consists, 107. 

 polarity, Berzelius's account of, 144. 



