554 
ORDORAORI NRA IORIONTORIOR IORI AIORIORINE 
Q 
s 
Q 
ra) 
% SCIENTIFIC LIBRARY 
mamatavarhrvacvacka 

bY 
Py 
& 
x 2 
io} ”~ 
: 
iv} 
rw Sw 
ro} a 
a ce 
Do. (ay 
rw os 
Q PS : QO 
x4] 
&, UNITED STATES PATENT OFFICE & 
Dae, Te ee 
g w 
; : 
» BY 
@ cf 
MsPorMacPosacVorRasFarMocPar~acPaacwaKw 
GPO 16—53001-1 
