THE INVISIBLE GIKL. 



161 



been marked, and he had been introduced so 

 privately into the house that even the landlady 

 was ignorant of his being there. 



An exhibition of the very same kind has been 

 brought forward in our own day, under the name 

 of the Invisible Girl; and as the mechanism em- 

 ployed was extremely ingenious, and is well 

 fitted to convey an idea of this class of decep- 

 tions, we shall give a detailed description of it. 



The machinery, as constructed by M. Charles, 

 is shown in fig. 37 in perspective, and a plan of 



Fig. 37. 



it in Fig. 38. The four upright posts A, A, A, A, 

 are united at top by a cross rail B,B, and by 

 two similar rails at bottom. Four bent wires #, 

 a, , a, proceeded from the top of these posts, and 

 terminated at c. A hollow copper ball M, about 

 a foot in diameter, was suspended from these 

 wires by four slender ribands 5, b, b, b, and into 

 the copper ball were fixed the extremities of 



