Polyphase Slide Rule

Object/Artifact

-

Maritime Museum of San Diego

2026 condition

2026 condition

Name/Title

Polyphase Slide Rule

Entry/Object ID

2019.004.001

Description

Slide ruler with leather button closure case

Collection

E.G.Bertin Collection

Made/Created

Manufacturer

Keuffel & Esser Company

Notes

Date: Mid-20th Century

Lexicon

Nomenclature 4.0

Nomenclature Secondary Object Term

Rule, Slide

Nomenclature Primary Object Term

Processor, Analog Data

Nomenclature Sub-Class

Data Processing Devices

Nomenclature Class

Data Processing T&E

Nomenclature Category

Category 06: Tools & Equipment for Communication

Material

Leather, Plastic, Wood