The product is a rare, brand new old stock Pickett N600-ES 6" slide rule from the United States. Box shows some outer ware and has 10.95 written in pen on the side which is reflected in the price. This collectible item falls under the category of engineering slide rules and is highly sought after by collectors and enthusiasts in the field of science and medicine. With its precise and accurate measurements, this slide rule represents a piece of history in the engineering field.

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