Half-Hours with the Stars: A Plain and Easy Guide to the Knowledge of the Constellations, Showing in 12 Maps, the Position of the Principal Star-: A ... Night Throughout the Year (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Half-Hours With the Stars: A Plain and Easy Guide to the Knowledge of the Constellations, Showing in 12 Maps, the Position of the Principal Star-Groups Night After Night Throughout the Year

It is necessary, perhaps, to point out that this work is intended as a companion to a series of star-charts, not as in itself a star-atlas. The possessor Of a good star-atlas will find that this work serves the purpose of a key to the atlas; and, on the other hand, the possessor of the present work will find that an atlas is needed to exhibit the details of constellations.

We do not at present possess any satisfactory atlas sufficiently cheap for general use. I am pre paring, however, a small atlas, reduced from my large one, which will present many advantages over any at present in existence. Although the work will be small and handy - such a book as the Observer can conveniently carry in his pocket - the superficial scale will be half as large again as that of the S. D. U. K. Smaller atlas, each map of which occupies a sheet some 16 inches square. Yet each map Of the series will cover a tenth part of the heavens, the reduction in size being simply obtained by the adeption of a scheme which reduces the distortion to an absolute minimum.

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