Mechanical Helps Which Fit You to Your 



Below: An electric vibrator at- 

 tached to a pattern-plate to 

 tak; the place of hand rapping 



% 



Below: A timekeeper 

 device in which the 

 clock strikes the time 

 to be re- 

 corded on 

 the pho- 

 nographic 

 cylinder. 

 You give 

 your numc 

 through 

 the horn 



870 



