and which have many curious forms
Plate 1c (cropped from border, squared)
illustrating Carl Störmer (also Størmer, 1874-1957 *). “Corpuscular Theory of the Aurora Borealis.” Terrestrial Magnetism and Atmospheric Electricity (Journal of Geophysical Research) 22:1 (1917) : 23-34
University of Chicago copy, digitized May 23, 2012
For γ between — 0.93 and — 1 there is an immense number of remarkable trajectories that have not yet been studied in detail, and which have many curious forms.
another sort of forest dark.
forests; peg models; scribble; silva
Carl Störmer, “Corpuscular Theory” (1917)