Vintage Pickett All Metal Slide Rule N902-ES Simplex Trig 10 " w/Case

The slide rule is in very good condition. It's  clear and easy to read. It slides easily.

The case has some wear and the layers are separating at one corner. It also feels a bit oily in some areas. Please see all photos.

The VTG Pickett All Metal Slide Rule N902-ES Simplex Trig is a vintage slide rule made in the United States. It features a sturdy metal construction and a 10-inch size, making it a handy tool for engineering and trigonometric calculations. The Simplex Trig model includes functions for sine, cosine, and tangent, while the accompanying book and case offer additional resources and protection for the slide rule. This collectible piece is a valuable artifact for those interested in the history of science and engineering tools