Keuffel & Esser K&E Slide Rule Instruction Manual book
This lot is for vintage instruction manual books published by Keuffel & Esser Company. Deci-Lon slide rule published by Keuffel and Esser in 1962. The book is a edition and is written in English.
It contains information on how to use the slide rule and is a great addition to any science and medicine book collection. The book is in its original form and has not been facsimiled. It also has special attributes that make it a valuable collectible item.