The book of stars; being a simple explanation of the stars and their uses to boy life, written to conform to the tests of the Boy scouts (1915)
Collins, A. Frederick (Archie Frederick), 1869- · New York, D. Appleton and company · leaf 97
CORK Fig. Com- 78 THE BOOK OF THE STARS … ,—Pocket Watch-case Compass. pole and the other end on the south pole of a steel magnet. Stick a sewing needle into a large cork and lay the magnetized needle on it, when it will point north and south, as shown in Fig. 88. Boxing the Compass.—There are two kinds of compasses in general use,…
Astronomy · Stars
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