VIBRATORS

Duration: 25 min

Creator: Department of the Air Force (Department of Defense)

Color: B&W

Sound: Optical sound

Description: Illustrates the purpose of vibrator-changing steady DC current to pulsating current. Then points out the parts of a vibrator and explains what makes it work. Shows the schematic of a vibrator in a circuit, and discusses the two vibrator output characteristics-square wave pulsating DC, and frequency varies with rate of opening and closing the contacts. (Kinescope)