Appletons' Popular Science Monthly, April 1899 / Volume LIV, No. 6, April 1899

Established by Edward L. Youmans
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. 6.
APPLETONS' POPULAR SCIENCE MONTHLY.
APRIL, 1899.
EDITED BY WILLIAM JAY YOUMANS.
CONTENTS.
NEW YORK: D. APPLETON AND COMPANY, 72 FIFTH AVENUE. Single Number, 50 Cents.Yearly Subscription, $5.00.
Copyright, 1898, by D. APPLETON AND COMPANY. Entered at the Post Office at New York, and admitted for transmission through the mails at second-class rates.