Photocopier - 25 mins
This program begins with how a thermal method was used for copying centuries ago. Then came a hand operated pressure ink system. Then the hand operated duplicator. The copy book system with two chemicals is demonstrated, based on prussian blue, hence the "blue print". Inventor of Xerox introduced using archive film. Principle of static electricity is explained using demonstrations & experiments. Light used to "expose" a sulphur sheet, powder attracted & reveals the image. Experiment. Step by step demo of first real photocopy machine. Also of 1959 copier. Early company commercial shown. Use of cylinder or drum used to capture image. Animation. (Picture). The workings of a typical office machine are shown. Demo of black powder in a copier - dry at first - then melts under heat and sticks to paper. Japanese advert. Colour photocopy principles - magenta, yellow, blue and black powders. Use of disposable cartridges. Automatic display on office machines indicating errors. Mockery of paperless office. Importance of paper recycling in the "paperless office" is emphasised!
Program 1: Fax Machine
Program 2: Photocopier Machine
Program 3: Lift/Elevator
Program 4: Electric Light
Program 5: Computer/Word Processor
Program 6: Office
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