■J- 8c E. Hophzneoro. 
Sheet l 
Sy"rubhj&s~i>s of cEoyrcc-co&ri/SVi/O cvurve, of. 
Observed/ r&suJjLe 
N? 1 MaxAun 
If? 2 JEcuzhur 
A. Ar-TTLOLt 
B. Air-spa 
C. Map rot 
D. JDedsux. . 
H Pole/ zi 
IruhxjCtLoro vrv 10 6 
2000 
3000 4000 5000 
6000 
7000 8000 $000 
10000 
13000 
11000 12000 
