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 48
TROUGH BATTERY. 31 whole may be used as a single series of one hundredpairs, or as a battery of fifty pairs of double size, byestablishing proper connections between these cups.Or only half the battery may be put in action, eachhaving a separate trough to contain the acid. Theplates are stationary,… … xy —^ troughs stand. Either trough may be removed fromthe platform at pleasure, when it is wished to useonly half of the battery. 48. In the cut, the arrangement for producing thearch of flame between charcoal points is shown. Twopointed pieces of prepared boxwood charcoal are fixedin the pincers…
