BURNDY 
LIBRARY 
Chartertd 
GIFT OF 
Bern Dibner 
The Dilmer Librarv 
of the History of 
Science and Technology 
SMITHSONIAN INSTITUTION LIBRARIES 
"I- ■' ■ 
il ■ ;; ■' ■■ - Y.-. 
t'JvS 1 i - 
