LIBROS DEL AUTOR: cecil simpson

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  • Light Designs
    Cecil Simpson
    The author has generated many intriguing designs that will thrill and excite you. This technique of a swinging light is a special form of a harmonograph (invented in 1844 by Professor Blackburn)but entirely different.. The swinging light technique has not been reported in the literature to my knowledge. Some patterns generated from a rotary harmonograph I built are also include...
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    34,78 €