Pocock Brothers Padded Cell - A rare example of such still in situ, located at the Royal Hospital Haslar, a closed naval hospital in Gosport (more pics and history in comments) [OC][OS][2048x1365] :
Empty White Padded Cell Open Door Stock Illustration 1133078681 | Shutterstock
What is a Padded Cell Room? - Gold Medal Safety Padding
Pin by Dan Meek on halloween | Abandoned asylums, Abandoned hospital, Insane asylum
An empty white padded cell with an open door in a mental hospital - 3D render Stock Photo - Alamy
The Padded Cell Part 1 - Glenside Hospital Museum
Padded cell from psychiatric ward, Farnborough Hospital | Science Museum Group Collection