Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 279
ng electrometer, and a portable electro-meter on the same general principle, have been usedfor observations on atmospheric electricity. Theseelectrometers have the double advantage of givingquantitative readings, and of being readily adapted toautomatic registration, by recording photographically… … -^et: Fig. III. a series of observations in Nova Scotia, and found thehighest -^ electrification in frosty weather, with a drywind charged with particles of ice. 308. Diurnal Variations.—Quetelet found that atBrussels the daily indications (during fine weather)showed two maxima occurring in summer…
Electricity · Magnetism
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-436-68.webp)
