Carbon paper is patented to aid the blind, October 7, 1806 - EDN

On this day in tech history, Ralph Wedgwood received the first patent for carbon paper, which he invented as part of a device to help the blind to write.

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lewis clark - < 1814 - First Edition - AbeBooks

Benjamin Banneker - Wikipedia

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2023 June 7 & 8 Fine & Decorative Arts by Morphy Auctions - Issuu

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Notabilia: A Blog about Rare Books Princeton University Library – Special Collections – The Scheide Library