As a matter of fact there weren't battery powered things that were "electronic" in those days.
Donald Trump: “ Black guys counting my money! I hate it. The only kind of people I want counting my money are short guys wearing yarmulkes… Those are the only kind of people I want counting my money. Nobody else…Besides that, I tell you something else. I think that’s guy’s lazy. And it’s probably not his fault because laziness is a trait in blacks.”