s the comparison of the indi-cations obtained with different degrees of elec-trification of the index, andthe reduction of the resultsto absolute measure, hither-to obviated only by a dailyapplication of Delmannsmethod of reference to azinc-copper water battery,which Delmann himselfapplies once for… … Fin. 3.—Portable Atmospheric Elpctrometer XVI.] Atmospheric Electricity. 205 electrometer renders this test really very easy, as not more thanfrom ten to twenty cells are required; and a comparison with afew good cells of Daniells may be made by its aid, to ascertainthe absolute value and the…
Electricity · Magnetism
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