The mechanical operation behind the device is relatively simple - turning the dials moves a stylus behind the screen, which displaces aluminium powder, thus leaving a clear line.
Monday 4 February 2013
Etch-A-Sketch inventor Andre Cassagnes Dies
Last month, classic toy inventor Andre Cassagnes died, at the age of 86, the BBC reports.
Over 100million units have sold since the product first went to market in 1959, and the bright red rectangle with two white knobs has become an icon of nostalgia. The product underwent an upsurge in popularity after featuring in Disney Pixar's 'Toy Story'.
The mechanical operation behind the device is relatively simple - turning the dials moves a stylus behind the screen, which displaces aluminium powder, thus leaving a clear line.
The mechanical operation behind the device is relatively simple - turning the dials moves a stylus behind the screen, which displaces aluminium powder, thus leaving a clear line.
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