Thomas Edison S.P. 5in x 7in b/w a formal portrait seated in a chair signed in bottom white margin thos A. Edison and dated by him "Fby 11 1921 74 years old With an original contemporary photo of Edison Menlo Park laboratory showing workers standing before the building a very early light bulb screw in type transparent glass metal filament marked edison Mazda on glass 115V 50W a souvenir book commemorating the anniversary Of this inventions 1929 illus d with photos of his laboratory, and a second book Edison and His Inventions 1879 illustrated. Five pieces a great lot