Topic: reverse aging treatment

It contains isomorphic controls, permitting only the Master to use the machine. The design of the prop was meant to suggest that the Grasp constructed it on Earth, and it was intentionally made bigger than the Physician's sonic screwdriver. Like the Doctor's screwdriver and Sarah Jane's lipstick, the Grasp's laser screwdriver was additionally created as a children's toy with sound results. The laser screwdriver reappears within the Physician Falls when the Master encounters his later feminine in...