Bell's Telephonic Researches 



probable other circuits would be at rest. Con- 

 versation was carried on between myself, in New 

 York, and Mr. Thomas A. Watson, in Boston, 

 until the opening of business upon the other 

 wires. When this happened the vocal sounds 

 were very much diminished, but still audible. 

 It seemed, indeed, like talking through a storm. 

 Conversation, though possible, could be carried 

 on with difficulty, owing to the distracting 

 nature of the interfering currents. 



I am informed by my friend Mr. Preece that 

 conversation has been successfully carried on 

 through a submarine cable, sixty miles in length, 

 extending from Dartmouth to the Island of 

 Guernsey, by means of hand telephones. 



85 



