



the walla of tin 



tin* Muni in.t\ be atta i 

 jlobin solution 0.1 ( 





- 



and pla I. together w i1 • 



in one ol the small bottl< 



• This man. in 



tube nf narrow bore, containii 



being coi I w itli 



two fluids can !"• 



ln.ttlt- is \ iol< nl I »*ll 





