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Biography on arthur granjean

          Arthur granjean invention

        1. The popular toy, Etch A Sketch, was invented in the s by Frenchman Arthur Granjean, who called it "The Magic Screen." In , Granjean took his invention.
        2. Arthur granjean invention date
        3. Arthur Granjean nationality is French.
        4. For many years the invention of the Etch A Sketch was credited to Arthur Granjean.

          5. Arthur granjean invention date...

          Etch A Sketch

          Mechanical drawing toy

          Etch A Sketch is a mechanical drawingtoy invented by André Cassagnes of France and subsequently manufactured by the Ohio Art Company.[1] It is now owned by Spin Master of Toronto, Ontario, Canada.

          An Etch A Sketch has a thick, flat gray screen in a red plastic frame. There are two white knobs on the front of the frame in the lower corners. Twisting the knobs moves a stylus that displaces aluminum powder on the back of the screen, leaving a solid line.

          For this reason, Granjean was often erroneously credited throughout much of history as the inventor of the Etch A Sketch.

          The knobs create lineographic images. The left control moves the stylus horizontally, and the right one moves it vertically.

          The Etch A Sketch was introduced near the peak of the Baby Boom on 12 July 1960 for $2.99 (equivalent to $31 in 2023).[2] It went on to sell 600,000 units[2] that year and is one of the best known toys of that era.

          In 1998, it was inducted into the National Toy Hall of Fame at The Strong, in Rochester, New York. In 2003, the Toy Indu