Colbert, E[lias] [from old catalog] · Chicago, G. & C. W. Sherwood · leaf 92
lavM9XTV * XVIII … POSITION ABOVE THE HOEIZON. 61 ness, by estimating for the intermediate positionof the center, and striking the circle exactly throughthe points of intersection of all the circles in thediagram. Or, the circle of the horizon may bedrawn independently, for any latitude, by findingin the table of…
Astronomy · Stars
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