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. The Astrophysical journal. Fig. 19 magnetic resultant force in each point of space over the whirls canthen be found by the parallelogram law, because we know theforce due to each of the whirls considered separately. The graphical method used for finding the resultant componentsat a given level above the plane of the whirls is as follows: on asheet of tracing paper are marked the components of the magnetic ^ Astrophysical Journal, 36, 265, 1912. 582 CARL STORMER force due to the whirl A (Fig. i8), and on another sheet the com-ponents due to the whirl B (Fig. 19), both components for pointsalo
. The Astrophysical journal. Fig. 19 magnetic resultant force in each point of space over the whirls canthen be found by the parallelogram law, because we know theforce due to each of the whirls considered separately. The graphical method used for finding the resultant componentsat a given level above the plane of the whirls is as follows: on asheet of tracing paper are marked the components of the magnetic ^ Astrophysical Journal, 36, 265, 1912. 582 CARL STORMER force due to the whirl A (Fig. i8), and on another sheet the com-ponents due to the whirl B (Fig. 19), both components for pointsalong a radius vector in the selected level z= constant. The twosheets are then placed with the points A and B coinciding with thecenters of the whirls (Fig. 20), and turned to produce coincidenceof the points M -and N on the sheets. On a third underlying sheetof tracing paper the points M and R are marked by pricking with apin, and the resultant force MR is then constructed ~. Fig. 20
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectspectru, bookyear1895