This is a vintage Keuffel & Easer Co. NY N 1375 A-22 slide rule, perfect for collectors and enthusiasts of engineering and science history. The precision and craftsmanship of this instrument make it a valuable addition to any collection or display.

Take a step back in time and appreciate the ingenuity of early engineering and design with this slide rule. The intricate scales and markings are a testament to the skill and dedication of the makers. Add this piece to your collection and marvel at the innovation of the past.