Page:Popular Science Monthly Volume 16.djvu/9

This page has been validated.

THE

POPULAR SCIENCE

MONTHLY.

CONDUCTED BY E. L. AND W. J. YOUMANS.

VOL. XVI.

NOVEMBER, 1879, TO APRIL, 1880.

NEW YORK:
D. APPLETON AND COMPANY,

1, 3, AND 5 BOND STREET.
1880.