Maybe he modified a typewriter to allow manual control and precision, probably specifically changes focused towards his goals. A typewriter would have been easi

Maybe he modified a typewriter to allow manual control and precision, probably specifically changes focused towards his goals. A typewriter would have been easily available, access to tools would have been easy considering the prestigious university he was part of and finally, he definitely had the brain power to do something like that. E.g. maybe he had multiple Selectric balls made to allow superscript/subscripts/symbols and changed them to accomplish different "levels" of a line.