Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. When many people imagine an inventor, they think of Thomas Alva Edison (1847-1931). One of the most prolific inventors ...
Autograph letter signed, handwritten in pencil by Thomas Edison to Ralph Hamiton Beach on lined paper. Carbon copy of typed, unsigned letter to Edison on unlined paper dated 25 October 1910. Printed ...
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