ACU-MATH 150 Slide Rule With Plastic Case Instructions and Box Vintage USA

The ACU-MATH 150 Slide Rule is a vintage collectible from the United States, specifically designed for engineering and scientific calculations. This tool comes with a plastic case, instructions, and original box, making it a complete and well-preserved piece for collectors or enthusiasts of slide rules. Its retro design and functionality make it a unique and valuable addition to any collection or a practical tool for those who appreciate the history and craftsmanship of mathematical tools. Check out my other offerings. Often 2 items can ship for the price of one. Happy to combine shipping.