Keuffel & Esser Co. N.Y. Slide Rule 4053-3 Mahogany Leather Case Made USA READ

Enhance your calculations with this vintage Keuffel & Esser slide rule. A collector's piece showcasing precision engineering, complete with a durable leather case. • Made in the USA • Patent number 1,934,232 displayed • Includes original leather case • Classic craftsmanship with wooden base • Additional slide rule components included There are a couple of pieces broken off the ruler. Please see pictures.Leather case shows minor wear. Slide rule top to bottom = 12 inches.