Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 74
s of life. We mean by localtime, the correct solar time for the place, in distinction fromGreenwich time, or Siderial time. Chronometers, which areaccurate, but portable, time-keepers, are often set to Greenwichtime, i. e. they are adjusted so as to 6how, wherever they arecarried, the actual time… … Let P A B C, be the earth, and E the position of a spectatorupon it, and let F G be the horizon, or a horizontal circle, and letC H A be the plane of a great circle parallel to the small circle F(r. and let P B be the axis of the earth inclined to the diameter 72 THE WORLD. C A of the great circle…
Astronomy · Meteorology · Geology · Paleontology
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