Title Work Title No: 15849 Medium: Moving Image Date: 1963 (Release) Original Summary: "Uses time-lapse photography and animation of the migration of positive and negative ions and their mutual precipitation in order to illustrate the chemical applications of the principles that opposite charges attract, like charges repel, and uncharged bodies have no electric interaction." - Summary from Worldcat. Countries of Origin: U.S.A. Genres: Educational | Items x1
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