Vintage 1971 USPS Marine Navigation Course Plotter Tool in Sleeve

Discover this vintage 1971 USPS maritime navigation course plotter tool.

Crafted from clear acrylic, it features a built-in protractor for precise measurements.

Measuring approximately 15.25" long and 4.25" wide,

this tool is in good pre-owned condition and comes with its original sleeve.

A must-have for collectors and boating enthusiasts alike!