SHEFFIELD SCIENTIFIC SCHOOL OF YALE UNIVERSITY. 
New Haven, Connecticut, 
. % 2 - 
190 
/t. J> 
■Z^Ae ✓ r< <r d< * A- 
- y^r7-/{ J 
PA- 
ttpa 
^Cc6Z>t 
^ p A a I'idjZ 
{Z- ^ZtS/X^ 
41/ W Auci 
^ </ 
' A. r~7 
Sf 
XX 
/^1 
/*C-£ £d^~- A'At ^ 
Z^Lt^Z /X^- X 
Z*-tlAAl/ '~ r lS*~Z'cy' A/i'dzy^A At-c cS A^d Ad* <->. — 
XX XXvT/ Xtf c/Ac'c^d-^ /v~Aac AA& <X 
^idP~-7>t/, t ^ A'ic-C'- sZ-j XX<XX 
-Aa ZPitZd^ -T^i i i <zXX^ AAc> XiX Atc^/. 
