An electric typewriter is a machine that helps you type on paper quickly and easily. It uses electricity to power the keys, so you don't have to press them as hard as on a manual typewriter. Full definition
So it was a big expense just to get a court case converted digitally, and of course at that time, even if there were some word processors around, judges were... I would say 95 % of all opinions were being typed on electric typewriters or handwritten. (lawyerist.com)
This never happened with my Smith - Corona electric typewriter, which my father gave me... (screenanarchy.com)
Operators fed data into Mark I using strips of punch - card paper; results were spat out by two electric typewriters connected to the machine. (sciencemag.org)