Vintage Pickett N902-T Slide Rule Simplex Trig USA With Brown Leather Case

The Vintage Pickett N902-T Slide Rule is a classic piece of engineering history from the United States. This Simplex Trig slide rule, with its brown leather case, is a functional and stylish collectible item that exudes nostalgia for a bygone era of mathematical calculation. With its precision craftsmanship and timeless design, this slide rule is a must-have for collectors and enthusiasts of vintage engineering tools. Please note that the case has a name written in pen on it, and the interior opening edges have mathematical calculations written in ink. Otherwise, it's in good preloved condition. From a smoke-free environment.