Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 104
nnecting them together,the effects produced are still more powerful. In such case, allthe outer coatings are connected together and to earth, while allthe inner coatings are connected to the disc of the electrophorous. EASY ELECTRICAL EXPERIMENTS.CHAPTER XXVL HOW TO MAKE A LABORATORY STORAGE… … FlG. f they last, but they are expensive to maintain and polarize quickly.Other forms of batteries may be purchased, but they are ex-pensive. The ordinary gravity or Daniell cell gives a very con-stant electromotive force, but on account of its high internalresistance it is not capable of yielding…
Electric apparatus and appliances · Electricity
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