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À§´ëÇÑ ¹ß¸íÀ̾߱â (The Story of Great Inventions, by Elmer Ellsworth Burns)


À§´ëÇÑ ¹ß¸íÀ̾߱â (The Story of Great Inventions, by Elmer Ellsworth Burns)

À§´ëÇÑ ¹ß¸íÀ̾߱â (The Story of Great Inventions, by Elmer Ellsworth Burns)

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2020-01-15
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À§´ëÇÑ ¹ß¸íÀ̾߱â.The Story of Great Inventions, by Elmer Ellsworth Burns
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BY
ELMER ELLSWORTH BURNS
INSTRUCTOR IN PHYSICS IN THE JOSEPH MEDILL HIGH SCHOOL, CHICAGO
WITH MANY ILLUSTRATIONS
HARPER & BROTHERS PUBLISHERS
NEW YORK AND LONDON
MCMX
Copyright, 1910, by HARPER & BROTHERS