BRAVE BEUNEL. 



85 



they have been carried on a little too far, and want to retrace their steps, they communi- 

 cate afresh with the men working- on the surface, and the obliging machinery soon brings 

 them to the exact point desired/' 



The diving-bell has many times rendered service to engineers, by enabling them to 



DIVERS AT WORK. 



descend and ascertain the nature of damages going on, which might otherwise have ruined 

 their work. When Brunei was building the famous Thames Tunnel, and the current had 

 broken through its arched roof, he went down in a diving-bell to see for himself the 

 extent of the disaster. After a descent of nearly thirty feet, he reached a serious opening 

 in the masonry, but the hole was too narrow to allow the bell to enter. It was therefore 

 necessary for some one to dive into it, and brave Brunei immediately declared his intention 



