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Astronomy for Young Folks

ASTRONOMY FOR
YOUNG FOLKS
Northern Portion of the Moon at Last Quarter
Taken with 100-inch Hooker Telescope of the Mt. Wilson
Observatory (See Chapter XXI)
ASTRONOMYforYOUNG FOLKS
BY
ISABEL MARTIN LEWIS, A. M.
 
 (Connected with the
Nautical Almanac Office of the U. S. Naval Observatory)
NEW YORKDUFFIELD AND COMPANY1922
Copyright, 1921, byThe Century Company
 
 Copyright, 1922,
byDuffield and Company
Printed in U. S. A.
[v]
CONTENTS
CHAPTE
R
PAG
E
Preface
xiii
I. The Constellations
3
II. January
15
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