Thomas Edison at convention of Ediphone dealers. Mina Edison seated to left of Thomas Edison. John Ott, Charles Edison, Carolyn Edison, and Nelson Durand seated to right of Thomas Edison.
<ul><li>Keywords: thomas edison; mina miller edison; charles edison; family; west orange; laboratory complex; building 5; building 5 exterior; courtyard; phonograph; ediphone; dictating machine; john ott; 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 1920
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