Young, Charles A. (Charles Augustus), 1834-1908, Young, Anne Sewell, b. 1871., ed · Boston, New York [etc.] Ginn and Company · leaf 446
way, and thesun allowed to shine squarely uponthe blackened surface for five minutesor so, the apparatus being occasionallyturned on dm as an axis, to stir up thewater in the box. The rise of temper-ature in a minute would give the solarconstant directly, were it not for thetroublesome and… … Fig. 158.Pouillets Pyrheliometer. §557] THE EQUATORIAL COUDE. 426 a 557. The Equatorial Coude. —A great telescope mounted inthe usual manner is very unwieldy, and various arrangementshave been devised for relieving the difficulties. In the Equa-torial Coude, or Elbowed Equatorial, now in use at…
Astronomy · Constellations
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