45.3 



SWIMMING. APPARATUS. 



greater facilities to' the workmen and to those 'desirous' of sinking such 

 wells. 



The general arrangement of M. Donnet, and the carriage with its equip- 



ments utilized, is depicted in fig. 484; the actual sinking of the well is 

 rarried out just as originally performed by Mr. Norton. 



A NEW SWIMMING APPARATUS. 

 We have to mention a novel means of swimming,, which: may. prove 



