PAR LE COURANT ELECTRIQUE. 



225 



r0.992X«069gr. = 0.068{ 



1.966 .136 



2.024 .202 



3.864 .282 



4.787 .330 



Ô.689 .392 



6.565 .453 



7.450 .534 



8.388 .572 



9.110 .638 



9.917 .684 



10.692 .738 



8.871 — 8/202 

 10.692 — (X992~ 



gr. - 0.069 gi\ 



3. 



A EtCHM 



30 



