s jar — thesecond of the kind whichI had tried, and whichwould not hold its chargefor half a day). I foundfrom 13;|° to 14° of torsionrequired to bring the indexto zero, when urged asideby the electromotive forceof ten zinc-copper watercells. Tlie Leyden phialheld so well, that the sensi-bility of… … 202 Atmospheric Electricity. [xvi. is to say, the electromotive force per foot of air, measured hori-zontally from the side of the house, was from 9 to above 126 zinc-copper water cells. The weather was almost perfectly settled,either calm, or with slight east wind, and in general an easterlyhaze…
Electricity · Magnetism
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