 | Edward Turner - 1835 - 714 Seiten
...intensity, fixed parallel lo it, and in a reversed position, eaeh needle having its north pole adjaeent to the south pole of the other : in this state the needles, neutralizing eaeh other, are unaffeeted by the magnetism of the earth, while they are still subjeet to the influenee... | |
 | John Johnston - 1843 - 586 Seiten
...proximity of another needle of equal magnetic intensity, fixed parallel to it, and in a reversed position, each needle having its north pole adjacent to the...they are still subject to the influence of galvanism. If, as in figure 38, the lower needle lie within the rectangle, and the upper needle just above it,... | |
 | Richard Dennis Hoblyn - 1844 - 418 Seiten
...proximity of another needle of equal magnetic intensity, fixed parallel to it, and in a reversed position, each needle having its north pole adjacent to the...south pole of the other. In this state the needles, neutraiizing each other, are unaffected by the magnetism of the earth, while they are still subject... | |
 | John Johnston - 1846 - 496 Seiten
...proximity of another needle of equal magnetic intensity, fixed parallel to it, and in a reversed position, each needle having its north pole adjacent to the...they are still subject to the influence of galvanism. If, as in figure 38, the lower needle lie within the rectangle, and the upper needle just above it,... | |
 | Richard Dennis Hoblyn - 1856 - 538 Seiten
...proximity of another needle of equal magnetic intensity fixed parallel to it, and iu a reversed position, each needle having its north pole adjacent to the...needles, neutralizing each other, are unaffected by the earth, while they are still subject to tb« influence of galvanism. ASTER (affTty). A star. 1. Aitro-bolismtu... | |
 | Joseph Thomas - 1870 - 720 Seiten
...parallel to it and in a revi-rsed position, each needle having it« north polo adjacent to ihc eouth pole of the other. In this state, the needles, neutralizing each other, ore unaffected by the earth, while they are still subject to the influence of galvanism. As'trr.«... | |
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The indications are nvich more delicate when the needle is rendered astatic, that is, when its directive property is destroyed by the proximity of another needle of equal magnetic intensity, fixed parallel to it, and in a reversed position, each needle... 