| Country of Origin | United States |
|---|
Check the listing for details. Metric Conversion Slide Chart 1974 Vintage Cardboard. Condition: Used, Made in United States. Listed at 14.99 USD. The Metric Conversion Slide Chart from 1974 is a vintage collectible item that would be valuable to collectors of engineering-related memorabilia. As a slide rule, it is a tool used for converting measurements between different units of measurement, specifically focusing on metric conversions. This item falls under the category of Science & Medicine from the 1930s to now, making it a historical piece with practical use for those interested in engineering and math.
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