Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity (1854)
Davis, Daniel · Boston : Palmer and Hall · leaf 61
to be-come of a purple hue, the eflect constantly increasingas the current is continued. The disc recovers itsbrightness by stirring the solution near it, or on beingtouched with a little splintei of wood. 67. Most of the salts having alkaline bases aredecomposed into an acid and an alkali, which… … GA I. VANO—DECOMPOSITION. 45
