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Mabel insists Bell go to the Philadelphia Centennial Exhibit, where his phone is a huge hit
Alexander Graham Bell Mabel Gardiner Hubbard
1876
Ad: Bell telephone roadshow
Bell telephone roadshow
1877
First public exhibition of the telephone, in Salem, Mass.
First public exhibition of the telephone, in Salem, Mass.
1877
Sold-out Salem phone exhibition with two-way speech to/from Boston
Sold-out Salem phone exhibition with two-way speech to/from Boston
1877
Bell and Gower exhibit the telephone in Lawrence, Mass.
Bell and Gower exhibit the telephone in Lawrence, Mass.
1877
Scientific American write-up of Bell's hand telephones
Scientific American write-up of Bell's hand telephones
1877