History of the 35mm Projector 1956
17:34
The Most Important Invention of the 20th Century: Transistors
55:12
Reel Stories - An Oral History of London's Cinema Projectionists
21:42
Top 5 Weaknesses of an Enigma | Bletchley Park
9:37
The Transistor: a 1953 documentary, anticipating its coming impact on technology
29:02
The Clock That Changed the World (BBC History of the World)
12:19
Computer History: World's FASTEST Computer! - 1961-1964 in vintage film & photos (IBM supercomputer)
10:52
1937 BELL AND HOWELL FILM “ HOW MOTION PICTURES MOVE AND TALK ” 16mm & 35mm FILM PROJECTORS XD14224
25:27