Celautograpb. 167 



made to introduce it as yet; but it has been 

 used for a long enough time to demonstrate its 

 practicability and commercial value. Compa- 

 nies have been organized both in Europe and 

 America for the purpose of putting the telau- 

 tograph into commercial use. 



By means of a switch located in each sub- 

 scriber's office the wires may be switched from 

 a trie-phone to a telautograph, or vice versa, 

 in a moment of time. By this arrangement a 

 man may do all the preliminary work of a 

 businrs- transaction through the telephone, 

 and when IK- is ready to put it into black and 

 white switch in the telautograph and write it 

 down. For ordinary exchange work this is un- 

 doubtedly the true way to use the telauto- 

 graph, because one system of wires and one 

 rent nil-station system will answer for both 

 modes of communication, and in this way an 

 enormous saving can be made to the public. 

 There is no quotinn in the mind of any one 

 who is familiar with the operation of both the 

 telephone and telautograph but that some day 

 they will both be used, either in the same or 

 separate systems, as they each have distinctly 

 separate fields of usefulness, the telephone 

 for desultory conversation, the telautograph 

 'curate bu-inc traii-a<-ti.tns. The ques- 

 tion may arise in the minds of experts how the 

 two systems can be worked in the same set of 



