SHEFFIELD SCIENTIFIC SCHOOL OF YALE UNIVERSITY. 
New Haven, Connecticut, 
/ 
(&/.£$■/^ 
fyrjf 
uZ&Atia mat - 
j%/t f & 
/; M 4 </ / 
/ $44r?v 7%^c *#7 . 
rtUs ^ 
%C Z 
/UL*/ a h^y^O ZZ*- 
ftuZW 
yf- & yLy */ a^- 
J /t&Jt, iX^€^/ *7 /*&*< 4*'jf 
^c, 7tU y // ~f 
&&yx. ^U. r A&rl’ 
