Vintage PICKETT DEMONSTRATION TRAINING SLIDE RULE 7FT with Original Box RARE

Up for sale is a Picket Training slide rule. Listing for retired engineer / math teacher. A must have for any collection of vintage calculation devices. The slide rule, also known colloquially in the United States as a slipstick. Is a mechanical analog computer. The slide rule is used primarily for multiplication and division, and also for functions such as roots, Alogarithms and trigonometry, but is not normally used for addition or subtraction. Slide rules come in a diverse range of styles and generally appear in a linear or circular form with a standardized set of markings (scales) essential to performing mathematical computations. Pickett Trainers Pickett 7ft slide rules are the most varied that one can find.

They were made of plywood with sheet aluminum bars holding the stock together. Own a piece of history. Dont let this rare item get away.

Very Rare with Original Box!