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Professor Gray's Telephone in New York and Philadelphia...



Item # 671164

April 28, 1877

SCIENTIFIC AMERICAN, New York, April 28, 1877  Inside has a full page taken up with: "Professor Gray's Telephone" which includes 3 illustrations relating to it.
This relates to the Alexander G. Bell and Elisha Gray controversy concerning who was the first to invent the telephone. Ultimately the patent was given to Bell.
Sixteen pages, very nice condition.

Category: Post-Civil War

No Longer Available