How the Electric Light works. Program distributed by Team Program Pacific. From Secret Life of Office Machines series.

The Secret Life of Office Machines - 6 Program/2 DVD Series

Electric Light - 25 mins
Hunkins starts this program by introducing the principles of electricity and resistance. He shows examples of hot wires, more and more electricity passed through them. He demonstrates the formation of glass bulbs. Demonstrations of different types of heating elements. Tungsten wire is explained. Also fluorescent tubes - how they work - the principles. Demonstrations of fluoresence, and experiments with firing of fluoresent tubes. Animation and archive shows lighting circuits and how lighting controls are fitted into buildings (image).

Program 1: Fax Machine
Program 2: Photocopier
Program 3: Lift / Elevator
Program 4: Electric Light
Program 5: Computer/Word Processor
Program 6: Office

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The Secret Life of Office Machines covers office machines and has been on TV around the world - USA, Australia, UK, Britain. It is a 6 program series, and is very similar in style to the Secret Life of Machines series (12 programs), which primarily deals with household machines. Using analogies, illustrations, animation, working models and extraordinary experiments, Tim Hunkin explains machines used in the modern office.