. The semi-centennial anniversary of the National Academy of Sciences, 1863-1913 . Fig. 14. Head of the 75-FOOT Spectograph of the 150-FOOT Tower Telescope. Equator N 90°. Fig. 15. The curve represents the theoretical variation of the displacementsof spectrum lines with the heliographic latitude. The sun is assumed to be amagnetized sphere with its magnetic poles coinciding with the poles of points represent mean values of the observed displacements. Verticalscale: i square = mm. = Angstrom. THE SEMI-CENTENNIAL ANNIVERSARY 53 While it should not be rejected, the merit
. The semi-centennial anniversary of the National Academy of Sciences, 1863-1913 . Fig. 14. Head of the 75-FOOT Spectograph of the 150-FOOT Tower Telescope. Equator N 90°. Fig. 15. The curve represents the theoretical variation of the displacementsof spectrum lines with the heliographic latitude. The sun is assumed to be amagnetized sphere with its magnetic poles coinciding with the poles of points represent mean values of the observed displacements. Verticalscale: i square = mm. = Angstrom. THE SEMI-CENTENNIAL ANNIVERSARY 53 While it should not be rejected, the merits of other theories mustnot be overlooked. Chief among these is the theory that rests on the very probableassumption that every molecule is a magnet. If the magnetismis accounted for as the effect of the rapid revolution of electronswithin the molecule, a gyrostatic action might be is, each molecule would tend to set itself with its axisparallel to the axis of the earth, just as the gyrostatic compass,now coming into use at sea, tends to point to the geographicalpole. The host of molecular magnets, all acting together, mightaccount for the earths m
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectscience, bookyear1913
