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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Dr. Jill E Gage @jillegage.bsky.social on X: In 1806 Ralph Wedgwood patented carbon paper & sold it as part of the Wedgwood Patent Manifold Writer- a system that allowed users to retain

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