Extraordinary 9.5 x 7.5 albumen photo of Edison seated in his laboratory and testing a recording phonograph or dictaphone, boldly signed in black ink, “Thos. A. Edison.” Blindstamped in the lower right by photographer C. C. Langill, with a collector’s notation of 1887. Affixed to a later 9.5 x 8.25 mount with an identification notation at the top. In fine condition. The 1880s were Edison’s most productive years of invention, improving upon his electric light, power systems, and telegraphy methods throughout the decade. He had invented the phonograph in 1877 but did not return to it until the late 1880s, his attention occupied by these other projects. Beginning to improve upon the phonograph and recording media, Edison founded Edison Records in 1888 as one of the earliest record labels and a pioneer in sound recording and reproduction on wax cylinders. An absolutely outstanding portrait of America’s greatest inventor in an experimental setting. Pre-certified PSA/DNA.
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