Controls spacecraft movement along three axes: up/down, left/right, and forward/aft.
Used mainly for docking the Command Module with the Lunar Module.
The T-handle could also be rotated left or right to activate the launch escape rocket, separating the Command Module from the Saturn launch
vehicle in a launch abort.
A sliding lever arms the control (allows handle movement), or locks it.
A machined socket allows mounting on a couch armrest.
NASA photo shows a similar Translation Control in Apollo 16.