Turner, H. H. (Herbert Hall), 1861-1930 · London, E. Arnold · leaf 204
ey are, generally speaking,summer Comparatively large and open, and during theand win- winter mouths they are small and close. Thischange in form is seen by a glance at Plate XIII.,which gives the curves throughout the whole ofone year. Let us now, instead of forming a curveof this kind for each… … Plate XIII. SAt^ I fpAt
Astronomy
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