The teletype keyboard mechanism was less sophisticated than a Selectric. Also, I seem to remember it took like a pound of pressure just to push a key on a telet

The teletype keyboard mechanism was less sophisticated than a Selectric. Also, I seem to remember it took like a pound of pressure just to push a key on a teletype, so you ended up vigorously punching it with your index fingers. A Selectric is like typing on air compared to a teletype.