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ALEXANDER GRAHAM BELL AT WORK 



Mr. Bell in his dressing gown, pipe in hand, working as he worked for so many thousands 

 of nights. With the stub of a pencil or a fine steel pen he, himself, wrote every one ot the 

 millions of figures upon which were based his two most important discoveries m heredity, the 

 Possibility of the Formation of a Deaf Variety of the Human Race, and the Inheritance ol Lon- 

 gevity. Yxom few rooms in the world have there emanated more brilliant, constructive ideas 

 than from this study in Washington. 



