This vintage Pickett Trig Slide Rule N1010-ES is a must-have for collectors and enthusiasts of engineering and science memorabilia. Made in the United States, this slide rule comes with complete instructions and paperwork, making it a great addition to any collection. Its unique design and historical significance make it a rare find for those interested in the history of science and technology. Whether you're a collector or simply looking for a unique piece of history, this vintage slide rule is sure to impress. Box does have wear.