The Secret Life of the Lift - remastered
31:23
The Secret Life of the Word Processor - Remastered
30:35
The Secret Life of the Electric light - Remastered
31:19
The Secret Life of the Office - Remastered
31:39
The Secret Life of the Radio - Remastered
18:49
1950s Otis Autotronic Elevator Machine Room
50:03
Giant Cranes: The Inner Workings of Behemoths | FD Engineering
32:11
The Secret Life of the Videorecorder - Remastered
9:54