Originally Posted by J Miller

Yes that is the foot controller. Some of the older ones were made like that. There will be a part that moves and some feet that will tell you which way to set it on the floor.
The older ones worked by resistance. When the pedal was all the way up there was no connection, as you pushed the pedal or lever down the resistance went from high which gave you low speed, to low or none which gave you high speed.


So that is your throttle.

Joe