| Sub-Type | Slide Rules |
|---|---|
| Type | Engineering/ Surveying |
Check the listing for details. Vintage K & E Keuffel & Esser Co. N. Y. Slide Rule Leather Case Drafting. Condition: Used. Listed at 20.31 USD. This is a vintage (1950's/60's) K & E - Keuffel & Esser Co. New York slide rule with its original black leather case. In good vintage condition. Please study the photos as they form part of the description.