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THE
POPULAR SCIENCE
MONTHLY.
CONDUCTED BY E. L. AND W. J. YOUMANS.
VOL. XXX.
NOVEMBER, 1886, TO APRIL, 1887.
NEW YORK:
D. APPLETON AND COMPANY,
1, 3, and 5 BOND STREET.
1887.
Page:Popular Science Monthly Volume 30.djvu/7
