How machines and their technology works and the scientific principles behind their invention. Tell me about The Secret Life of Office series How household machines work. Available on video. The catalog number is CD TRD 403. The Refrigerator Central Heating Television Set Washing Machine Vacuum Cleaner Motor Car Combustion Engine Quartz Watch Telephone Video Recorder Radio set Ideal for home and school education.
Prize winning TV programmes show how machines work.
Details of each programme . Using animation, working models, and experiments, Mr Hunkin explains machines we take for granted. Secret Life of Office also available . Check the prices. And order your set.