This page has been validated.
THE
POPULAR SCIENCE
MONTHLY.
CONDUCTED BY E. L. YOUMANS
VOL. IV.
NOVEMBER, 1873, TO APRIL, 1874.
NEW YORK:
D. APPLETON AND COMPANY,
549 & 551 BROADWAY.
1874.
THE
POPULAR SCIENCE
MONTHLY.
CONDUCTED BY E. L. YOUMANS
VOL. IV.
NOVEMBER, 1873, TO APRIL, 1874.
NEW YORK:
D. APPLETON AND COMPANY,
549 & 551 BROADWAY.
1874.