102. C. A. Young on a proposed Printing Chronograph. 
eo = 
T lar . 
= me | | 
4 | 4 i) Py 
ee ana) 
ae ee NRT I 
Te Py 7 | 
t| | NY 
"tg WE i =. 
% SL 
The arm ee is firmly secured to the left-hand extremity of the 
axis B, and carries at one end two pins (y) near each other, 
