My long-awaited date with touch typing guides across ages, from 1899 to 2008. AMApic.twitter.com/rCOBAAvVzJ
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The typesetting of this division example ends up looking like the "world's first" smiley: https://books.google.com/books?id=BsRRAAAAYAAJ&dq=editions%3AEBHNjJyL2LMC&pg=RA11-PA8#v=onepage&q&f=false …pic.twitter.com/yHqlCB1u9i
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