French inventor (1844–1940) primarily known for his involvement in wireless telegraphy. AQS, in French, on a 5.25 x 8.25 sheet of graph-like paper. Branly writes, (translated): “Instead of criticizing others, let’s try to improve ourselves; that way we’ll do better service to ourselves. Edouard Branly.” In very good condition, with repair on reverse of a complete horizontal separation between quote and signature, central vertical fold, and a uniform shade of mild toning. RRAuction COA.
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