Edison, Thomas A.

Portrait photograph, inscribed and signed ("Thos A Edison"), (8 x 6 in.; 203 x 152 mm), (n.p., early 20th century), to "Friend Murray"; minimal wear at edges.

Portrait photograph, inscribed and signed ("Thos A Edison") (8 x 6 in.; 203 x 152 mm), (n.p., early 20th century); minimal wear at edges.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

A fine photograph of Thomas Edison at work at his desk, inscribed in the lower right corner, "Friend Murray, In 1879 I invented the incandesent lamp. Thos A Edison." 

Edison first successful test of the light bulb was achieved on 22 October 1879 in his laboratory at Menlo Park, N.J. He filed for a U.S. patent on 4 November and it was granted two months later.