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ESTABLISHED BY EDWARD L. YOUMANS.
THE
POPULAR SCIENCE
MONTHLY.
EDITED BY WILLIAM J. YOUMANS.
VOL. XXXIII.
MAY TO OCTOBER, 1888.
NEW YORK:
D. APPLETON AND COMPANY,
1, 3, and 5 BOND STREET.
1888.
ESTABLISHED BY EDWARD L. YOUMANS.
THE
POPULAR SCIENCE
MONTHLY.
EDITED BY WILLIAM J. YOUMANS.
VOL. XXXIII.
MAY TO OCTOBER, 1888.
NEW YORK:
D. APPLETON AND COMPANY,
1, 3, and 5 BOND STREET.
1888.