70 ) 
MOIS 
ih. fim 
g ^ 
DUREE 
CALCUL DU VOLUME D AIR ASPIRÉ. 
VOLUME APPARENT = 163.6 LITRES. 
il 
NUMERO 
DATE. 
d’ordre. 
m 
471 
472 
473 
474 
1 
2 
o 
O 
ç) 
4/o 
476 
477 
478 
479 
480 
6 
8 
10 
11 
12 
13 
de 
l'opcra- 
lion. 
Heures. 
5.05 
6.00 
5.45 
5.40 
6.00 
59.7 
62.7 
53.2 
61.2 
62.0 
5.00 
6.00 
6.00 
5.00 
5.10 
6.30 
53.2 
58.4 
82.7 
43.6 
37.6 
56.9 
14 
13 
16 
14 
15 
12 
12 
11 
13 
11 
11 
11.9 
11.1 
13.5 
11.9 
12.7 
747.6 
742.8 
738.0 
741.5 
743.6 
10.4 
10.4 
9.8 
11.1 
9.8 
9.8 
747.4 
746.8 
752.2 
750.7 
749.5 
750.0 
‘i- 
J 
