VTG Mercer Circular Slide Rule, Leather Pouch, Manual 1969cc For Sale

The VTG Mercer Circular Slide Rule is a vintage piece of engineering equipment that was manufactured in the United States in 1969. This slide rule comes with a leather pouch for convenient storage and transportation. With its manual operation and compact design, this tool is perfect for collectors or enthusiasts of mathematical tools from the mid-20th century. The Mercer Circular Slide Rule is a nostalgic piece that showcases the craftsmanship and practicality of slide rules in a different era. It includes a periodic table and temperature conversion chart. 90163