CHAP. VIII.] 



THE ELECTRIC LIGHT. 



685 



Margaret is in the clutches of remorse. Sometimes the electric 

 apparatus is placed on a level with the stage, when it is sought to 

 produce certain special effects, such as that of the fountain of wine in 

 Gounod's opera. 



Electric illumination has been applied to ships, and the experi- 

 ments that have lately been made in the steamers of the Compagnie 

 GdnSrale Transatlantique have proved so successful, that the time 

 cannot be far distant when every ocean-going ship, whether belonging 

 to the royal navy or to the mercantile marine, will have to carry an 

 electric light for showing rocks or icebergs two or three miles ahead, 



FIG. 445. The electric light applied to works at night. 



in order to avoid collisions, and to facilitate entering or leaving 

 port. 



The illumination of the galleries of mines by electricity has also 

 been perfectly successful. Experiments have been made during 

 seventeen days and nights in the slate quarries of Angiers under the 

 direction of M. Bazin, and they have given excellent results. 



We must not forget the employment of this powerful means of 

 illumination in works carried on at night. The first attempt of this 



