The Pickett Model 3 Slide Rule from 1947 is a classic piece of engineering history originating from the United States. With its vibrant yellow color and leather case, this slide rule exudes a sense of nostalgia and craftsmanship. Unmodified and in its original condition, this collectible item is a rare find for enthusiasts of vintage engineering tools and collectors alike. Perfect for display or practical use, the Pickett Model 3 Slide Rule is a timeless piece that embodies the art of mathematical computation and American ingenuity.