Page:Popular Science Monthly Volume 38.djvu/7

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THE

 

POPULAR SCIENCE

 

MONTHLY.

 

CONDUCTED BY E. L. and W. J. Youman.

 

VOL. XXXVIII.

 

November, 1890, to April, 1891

 

NEW YORK:
D. APPLETON AND COMPANY,
1, 3, and 5 Bond Street
1891.