Check the listing for details. Vintage K&E Slide Rule With Leather Case. Condition: Used. Listed at 20.99 USD. The Vintage K&E Slide Rule with Leather Case is a collectible piece of engineering and scientific history. This slide rule, dating back to the mid-20th century, is a classic tool used for various calculations in fields such as engineering, physics, and mathematics. The leather case adds a touch of elegance and durability to the piece, making it a practical and stylish accessory for any collector or enthusiast of vintage scientific tools.

$14.69
$20.99