1920s Keuffel & Esser Slide Rule
1920s Keuffel & Esser Slide Rule
1920s Keuffel & Esser Slide Rule

1920s Keuffel & Esser Slide Rule

Vendor
Junktiques
Regular price
£18.00
Sale price
£14.40
Quantity must be 1 or more

This slide rule is model number 4092-3 which dates it back to the 1920s. Made by Keuffel & Esser New York, this company was known for making superb quality scientific items. In great working condition and complete with its original leather sleeve, which does have the original owners name in the leather. 

 

Sleeve measures approx 32 x 6.5cm