Established by Edward L. Youmans
APPLETONS'
POPULAR SCIENCE
MONTHLY
EDITED BY
WILLIAM JAY YOUMANS
VOL. LIV
NOVEMBER, 1898, TO APRIL, 1899
NEW YORK
D. APPLETON AND COMPANY
1899
Copyright, 1899,
By D. APPLETON AND COMPANY.
Vol. LIV.Established by Edward L. Youmans.No. 4.
APPLETONS' POPULAR SCIENCE MONTHLY.