Here are a couple of video links vaguely related to the mechanics of voting, without getting into the question of how well our elections are enabling democracy.
Mr. Rogers uses a mechanical lever voting machine:
In New York, we still use the lever machines. There is something especially satisfying about casting a vote by pulling the lever to record a vote using a system of gears. It's a more tactile experience than using some touchscreen or optical scan systems.
And one from The Onion:
Voting Machines Elect One Of Their Own As President