Keuffel & Esser Co. 7 Foot Slide Rule Model 68-1944

Manufacturer: Keuffel & Esser Co.

Model Number: 68-1944

Serial #:

Equipment Description: 7 Foot Slide Rule

Label Write-up:
Polyphase. Slide rule designed for class room use and display. A slide rule is a mechanical analog computer. The slide rule was developed in the 17th century based on the emerging work on logarithms. Before the advent of the electronic calculator (~1974) the slide rule was the most commonly used calculation tool in science and engineering.

Dates Produced: 1962

Original Price:

The museum's inventory number: MRT-639

Located at Museum in: Class Room