The slide rules are gently used, and have minor scratches and spots of dirt. All are in very good condition. The slide rule has a neatly-embossed serial number, and the case has a handwritten serial number on an inside flap. These serial numbers are from the Engineering School where the slide rule was once used.Instructions are not included, but may be easily downloaded from the web. As an exception: Orders placed Nov. Please ask if there are any questions. 2/83N Pocket Version Faber Castell 62/83N slide rule" is in sale since Wednesday, November 08, 2017.
This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "slide_rule_alley" and is located in Baton Rouge, Louisiana. This item can be shipped worldwide.