liECENT nWENTIONS. 



245 



municating with the interior of his clothing supplies 

 him with the air necessary to respiration. This 

 air is supplied by a lift and force-pumpy placed on 

 the bank or in a boat. This apparatus is of French 

 oi-ii^-iii. 



Attempts of a different kind were made, at the end 



Fig. 46. — Divei-s dressed in the Appaiatus invented by MM. Rouquayrol 

 and Denayrouze. 



of the last century, by an inhabitant of Breslau. A 

 diver descended into the water carrying his supply 

 of air in a reservoir, into which large quantities of 



