Antique Slide Rule Keuffel and Esser N4043-3 Mobile_Alabama Hardcover green cloth boards with

Hardcover green cloth boards with a pictoral front panel and gilt has faded on the spine

and detailed maps that bring the stories to life

antique cedar treasure chest

Start an heirloom Christmas holiday tradition or add to your collection

9 1/2-10 (which is the size)

Antique Slide Rule Keuffel and Esser N4043-3 Mobile_Alabama Hardcover green cloth boards withThis is a vintage Keuffel and Esser Slide Ruler, model N4043 3. Circa 1940s 1950s, the 10" slide rule was constructed on a mahogany wood frame with a celluloid overlay laminated surface. The rule is in good condition with graphic darkening on reverse. The metal rimmed cursor has no chips or scratches. The black leather case is included, Rule Details: Made in U. S. A. by Keuffel & Esser Co., New York Patents listed on stock: 1,934,232; on cursor: