Portrait of Thomas Alva Edison holding an incandescent lightbulb. Stamped on back: "Photo by N. Lazarnick. When publishing this picture kindly print above credit line beneath each reproduction. Notice - to protect our clients written permission must be obtained from the office of the Photoworld Service, 1440 Broadway, New York, if this photo is to be used for advertising or trade purposes. Not to be syndicated, rented or loaned without permission." Handwritten on back: "Edison, Thomas Alva, 1847-1931. Thos. Edison & his incandescent elect. lamp."
