Sharpless, Isaac, 1848-1920, Philips, G. M. (George Morris), 1851-1920, joint author · Philadelphia, J.B. Lippincott company · leaf 242
al sketch should study them with the aid of alarge star atlas. Heiss Star Atlas is convenient and reliable ; Proc-tors small Star Atlas is much cheaper. A Planisphere can be set soas to show the positions of all the stars with reference to the horizonat any time of night. An Astral Lantern is a… … CM <
Astronomy
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