Go back to professor and talk to him. Use jar of chloroform with air
vent outside the control room (automatic) Use door lever and then enter
room. Take small key on wall on right. Return to prof and use key on
handcuffs. (automatic) Go back into control room and open small doors on
each side of control desk. Take small weight from door on left to
disable gyroscope.

Escape

Go to decompression chamber and discover the lever dilemma.

Use plumb line with water container. Go to lab room. Put container in
refrig. Close door and then open door. Take frozen container back to
decompression chamber. Use frozen container on control lever. Use small
weight on this set-up.

Rest is automatic...