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CC BY-SA 4.0 · DrAntonioCarlosMdeQueiroz
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Weinhold machine. An influence electrostatic machine, variation of the Holtz machine, that does not revert polarity. A test to see if the machine still works after many years in storage. It works quite well. See: http://www.coe.ufrj.br/~acmq/leyser.html By Dr. Antônio Carlos M. de Queiroz.
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- The archive gives no rating. Invisible Network shows it to Teens profiles and older, judged from its collection and subjects. How films are placed