 Electricity is usually developed, in order to show its effects, by the friction of glass. The earlier electricians, in the prosecution of their researches, merely used glass tubes or other nonconductors, held in one hand and...  Popular Astronomy: A Series of Lectures - Page 286by George Biddell Airy - 1866 - 292 pagesFull view - About this book
 | 1816 - 564 pages
...the sum of the deviations of the plumb-line on the opposite sides of the mountain ; and, when divided in the inverse ratio of the squares of the distances of the stations from the centre of gravity of the mass, would give the deflection of the plummet at each station.... | |
 | William Thomas Brande - 1821 - 506 pages
...this electrometer, it would appear that the electrical powers follow the law of gravitation, in being in the inverse ratio of the squares of the distances of the acting bodies. In the most delicate construction of the instrument a single silk-worm's thread is used... | |
 | John Playfair - Science - 1822 - 552 pages
...the sum of the deviations of the plumb-line on the opposite sides of the mountain ; and, when divided in the inverse ratio of the squares of the distances of the stations from the centre of gravity of the mass, would give the deflection of the plummet at each station.... | |
 | John Playfait - 1822 - 550 pages
...the sum of the deviations of the phnnb-linc on the opposite sides of the mountain ; and, when divided in the inverse ratio of the squares of the distances of the stations from the centre of gravity of the mass, would give the deflection of the plummet at each station.... | |
 | John M. Moffat - Physics - 1834 - 530 pages
...electric balance it hai been concluded that the influence of electricity, like that of gravitation, is in the inverse ratio of the squares of the distances of the acting bodies. Electrical Instruments and Experiments. Electricity is usually accumulated, in order... | |
 | Walter Rogers Johnson - Science - 1835 - 530 pages
...electric balance it has been concluded that the influence of electricity, like that of gravitation, is in the inverse ratio of the squares of the distances of the acting bodies Electrical Instruments and Experiments. 44. Electricity is usually developed, in order... | |
 | Walter Rogers Johnson - 1836 - 516 pages
...electric balance it has been concluded that the influence of electricity, like that of gravitation, is in the inverse ratio of the squares of the distances of the acting bodies Electrical Instruments and Experiments. 44. Electricity is usually developed, in order... | |
 | John Walsh (mathematician.) - Functions - 1836 - 38 pages
...the small arcs, described by the earth in equal times in its motion round the sun, are approximately in the inverse ratio of the squares of the distances of the earth from the sun ; for actually those versed sines are 22 approximately in the inverse ratio of the... | |
 | Golding Bird - 1839 - 458 pages
...upward pressure of the water. 180. The intensity of sound, like that of attaction (12), diminishes in the inverse ratio of the squares of the distances of the sounding body. This law, however, applies with its full force only, when opposing currents of air,... | |
 | Science - 1842 - 496 pages
...this electrometer, it would appear that the electrical powers follow the law of gravitation, in being in the inverse ratio of the squares of the distances of the acting bodies. In the most delicate construction of the instrument, a single silk-worm's Ibread is... | |
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