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Scientific American, Vol. 39, No. 16 (1878) (1878)

leaf 4

An illustration from Scientific American, Vol. 39, No. 16 (1878), 1878, leaf 4
the spectroscope, A BC D, being color, and which of itself would give a continuous spectrum; K. Johnston in preparing an atlas with English names cor- the same upper part of the same slit in the same position, but that around this is an atmosphere of cooler though still | responding to that on… … one or two seconds. In an extremely transparent atmo- life was to give his views last June, to a newspaper corre- spondent, on Arctic explorations, a subject which he had sphere traces of this reversing layer (which is merely the studied with unremitting earnestness. He felt certain that densest…

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