Word: sparcatron
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Dates: during 1952-1952
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Cooler Tooler. For tooling tough alloys, Britain's Impregnated Diamond Products Ltd. began sale of Sparcatron, a device which uses an electrical charge instead of diamond-edged tools to machine metals to tolerances as close as one-twenty-five-millionth of an inch. Sparcatron generates no heat (which may make the conventional cutting tool inaccurate) and has no cutting edge to get dull. Price: about...
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