If you could have invented one piece of machinery, that has already been invented, what would you choose, and why?
Those things above aren't machinery... if it could be ANYTHING, the circular saw. Simple, effective, globally used. I'd be rich as.
Internet because I would be rich
Electricity 'cause I'm a boss
The movie projector. Well how many millions of people have enjoyed a movie since it was invented?
Internal combustion engine:not only would I be rich but all of my decendants