Alexander Graham Bell Family Collection
Selected images from the collection
![[1st page of notebook entry]](../images/bellnotebk-p40-th.jpg) Alexander Graham Bell's notebook entry of March 10, 1876 describes
his successful experiment with the telephone-- speaking through
the instrument to his assistant, Thomas A. Watson, in the next
room.
Bell's
father, Alexander Melville Bell, developed this physiological alphabet.
Alexander
Graham Bell and his wife and son attend the 1907 opening of Bell's
tetrahedral tower.
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