We use cookies on this website. By continuing to use this site without changing your cookie settings, you agree that you are happy to accept our privacy policy and for us to access our cookies on your device.
DetailsOriginal Format: 16mm Colour: Colour Sound: Silent Duration: 4 mins 50 secs Credits: A Burncross Film. Treatment W G Gregory. Diagrams E Jackson.
Subject: EDUCATION SCIENCE / TECHNOLOGY
Summary This is part of the collection of films made by Sheffield teacher William Gordon Gregory. With the aid of diagrams, the film shows the operation of an electric trembler bell.
Description This is part of the collection of films made by Sheffield teacher William Gordon Gregory. With the aid of diagrams, the film shows the operation of an electric trembler bell.
Title - Electric Trembler Bell
A Burncross Film. Treatment W G Gregory. Diagrams E Jackson.
Through a series of detailed diagrams, the mechanism and working of the bell are shown.
Intertitle – the trembler cycle seen in slow motion
Diagrams demonstrate how the contacts are released through the battery.
