@mkirschenbaum Did you ever find copies (or originals) of these in your research? They’re currently on eBay, but at very high prices.pic.twitter.com/5wgVnFAYJ5
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@mkirschenbaum FWIW I just got and scanned this, but the MT/ST is of course infinitely more interesting: https://archive.org/details/IBMElectronicTypewriter50OperatingInstructions …