Thomas Edison at celebration of 50th anniversary of the Phonograph at Glenmont. Charles Edison on left and Nelson Durand to right of Edison. [Held simultaneously with Ediphone convention?]
<ul><li>Keywords: thomas edison; west orange; glenmont; glenmont exterior; phonograph; family; charles edison; ediphone; commemorative; Edison; Thomas A.; (EDIS Historical Photo Series Name)</li></ul>
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Unknown author<span style="display: none;">Unknown author</span></div>
Taken on 12 August 1927
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