A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1853)
Mattison, Hiram, 1811-1868 · New York, F. J. Huntingdon [etc.] · leaf 72
.?ec S3. ^&^&i^ss^^ ^^^tif^fTT — … 3. This cut shows how the student may measure the suns declination wherever homay be located north of the equator. The shadows are such as are cast by objectsduring the year, about 45° north of the equator. On the 23d of December, when thesun has his greatest declination, the shadow of the…
Astronomy
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