1172 
| | | | | 
Temp. 1 hour |2hrs.|4hrs.|6hrs.| 12 hrs. | 18 hrs. | 24 hrs. | 48 hrs. 
| | | 
} 
i 
1 
) 
zige WW 200 el ad | | 
0 160 | 160 | 160 | 160 | | 
5 OE 90 | ae OD 
10 52.5 | 52.5] 52.5 52.51 | 
15 | 24.5 | 24.5 24.5) 24.5) 24.5 45 
2 2 | 2 | 20 | 20 | 20 | 
eh a8 9.5 | 
27.5 | 9.2 7.2 5.6| 4.8] -4 4 4 
30 | 8 IN er ke a 2 2 2 
31 8 NE 8 
32.5 9.2 | 12 | 13.6 14.4 14.4 | | 
Soe ment a ee ae fae OE Me Same eg 26 
oT) ks Sel ph NET 88 | Ge PEN 
37.5) 48 72 | 104 120 | | 176 | 184 | 184 
38 56 84 | 128 | 160 | ze | 
39 120 176 | 240 280 400 
40 + 16001) | 
Nt: | ete te 
Ee 
=PUPWOADO 
1) For the absolute correctness of this figure | cannot vouch on account of the 
difficulty mentioned on a previous page. 
