Word: lensed
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Dates: during 1920-1929
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For the past four years the Peruvian station has been under the direction of Dr. John Paraskevopoulos, and he has superintended the transferring of the equipment from Arequipa to Bloemfontein. This includes a photographic telescope with a double lens 24 inches in diameter, one with a triple lens ten inches...
The new Harvard telescope will be a reflector also, in which a concave mirror sixty inches in diameter replaces the convex lens of the more familiar, or refracting type. The mirror faces the star and, as it is concave, or dish-shaped, the light rays converge after being reflected from...
So far, the exact site of the new station has not been decided, but it will be somewhere in the Union of South Africa, and the capital of Orange Free State, Bloemfontein, is being given serious consideration. Since 1890 the Harvard Observatory has operated a branch station at Arequipa, Peru...
"We do not know what life is, but we do know that life is certainly a physical property, a behavior of a colloidal miscella [grain] of a particular constitution. In order to study this constitution, this behavior, we must necessarily turn to the smallest particle of autonomous living matter, where...
CONSERVATION OF THE FAMILY- Paul Popenoe-Williams & Wilkins ($3). How widespread and militant are the "enemies" of the family is conjectural. And how effectively their convictions (or lack of them) might be refuted by a treatise soundly but exclusively sociobiological, is also a question. Nevertheless, Biologist Popenoe's sound...