Artifact Details

Title

Materials on computation devises

Catalog Number

102727122

Type

Document

Description

Includes:
Adders and small adding machines
Instructional book for the use of "Hemmy" bamboo slide rulers
Keuffel & Esser slide rules - 1880 to 1913
Catalog of the library of Robert K. Otnes, PhD.

Date

1955-2006

Publisher

Otnes, Robert; Hemmy Bamboo Slide Rule MFG. Co., Ltd

Category

Technical Paper or Note

Credit

Computer History Museum Collection

Lot Number

X4999.2009