. The semi-centennial anniversary of the National Academy of Sciences, 1863-1913 . he negative charge of each molecule should be a littlefarther from the center of the earth than the positive average linear velocity of the negative charge would thusbe a little greater, and the magnetizing effect due to its motionwould slightly exceed that due to the motion of the positivecharge. By assuming a separation of the charges equal to aboutfour-tenths the radius of a molecule (Bauer), the symmetricalpart of the earths magnetic field could be accounted for as theresult of the axial rotation.
. The semi-centennial anniversary of the National Academy of Sciences, 1863-1913 . he negative charge of each molecule should be a littlefarther from the center of the earth than the positive average linear velocity of the negative charge would thusbe a little greater, and the magnetizing effect due to its motionwould slightly exceed that due to the motion of the positivecharge. By assuming a separation of the charges equal to aboutfour-tenths the radius of a molecule (Bauer), the symmetricalpart of the earths magnetic field could be accounted for as theresult of the axial This theory, first suggested by Thomson, has been developedby Sutherland, Schuster and Bauer. But as yet it has yielded noexplanation of the secular variation of the earths magnetism,and other important objections have been urged against it. * Bauer, by a similar method, obtained 306 gausses. t According to Bauers view, in each molecule one charge occupies a larger volume thanthe other, so as to make the volume densities of the two charges at the same point Fig. 14. Head of the 75-FOOT Spectograph of the 150-FOOT Tower Telescope. Equator N 90°
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectscience, bookyear1913
