tomorrow I'll be shaking up the early history of another niche area, typewriter art, where the oldest extant examples are these (1893/1898)pic.twitter.com/3SO98Pfzqd
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Earliest I've found is December 1891.https://books.google.com/books?id=2RFQAAAAYAAJ&dq=typewriter%20sketch&pg=PA249#v=onepage&q=typewriter%20sketch&f=false …
oh snap! did you ever write about it? I'll add a note that you had discovered it first
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