The Vintage 1979 Metric Converter Slide Rule Chart by Learning Research Inc. is a rare collectible piece for those interested in engineering and slide rules. Made in the United States, this unique item allows users to convert measurements from metric to standard and vice versa, providing a practical tool for students, professionals, and enthusiasts alike. The slide rule chart captures a piece of historical knowledge and expertise from the late 20th century, making it a valuable addition to any collection of vintage scientific tools.
Has a crease in the middle.
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