Thomas Edison with group at 43rd Ediphone convention. Seated to left of Edison are John Ott, Charles Edison, and Nelson Durand.
<ul><li>Keywords: thomas edison; charles edison; family; west orange; laboratory complex; building 5; building 5 exterior; courtyard; phonograph; ediphone; dictating machine; john ott; commemorative; ivy; Edison; Thomas A.; (EDIS Historical Photo Series Name)</li></ul>
Lueder
Taken on 12 August 1920
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