This vintage Ritchie Marine Navigation Plotter is a must-have for any nautical decor enthusiast. Made from a combination of metal and plastic, this slide rule was manufactured in the United States and meets MIL-C-27216A specifications. It is designed for navigation purposes and will make a great addition to any collection. The slide rule is in used condition and has not been modified. The manufacturer, Ritchie, is known for producing high-quality nautical instruments. This item is perfect for anyone interested in aviation or nautical collectibles.
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