THE THRONG OF MOVING WORKMEN
The Story of Glass
By
SARA WARE BASSETT
Author of
"The Story of Lumber"
"The Story of Wool"
"The Story of Leather"
"The Story of Sugar"
etc.
ILLUSTRATED BY
C. P. GRAY
THE PENN PUBLISHING COMPANY
PHILADELPHIA
1917
COPYRIGHT 1916
BY
THE PENN PUBLISHING COMPANY