Nelson-Jones circuit designer's (10-inch) slide rule

Made:: 1970-1975 in England

Nelson-Jones circuit designer's (10-inch) slide rule, designed by Key Electonics Bownment and made by Blundell Harling Limited with plastic sleeve

Details

Category:: Mathematics

Object Number:: 1998-452

Materials:: plastic and complete

Measurements:: overall: 10 x 305 x 40 mm

type:: slide rule (electrical engineering)

credit:: Mr J.C. Michie

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Parts

Nelson-Jones circuit designer's (10-inch) slide rule

Nelson-Jones circuit designer's (10-inch) slide rule, designed by Key Electonics Bownment and made by Blundell Harling Limited.

Materials:: plastic (unidentified)

Object Number:: 1998-452/1

type:: slide rule

Sleeve for Nelson-Jones circuit designer's (10-inch) slide rule

Plastic sleeve, black, for Nelson-Jones circuit designer's (10-inch) slide rule, designed by Key Electonics Bownment and made by Blundell Harling Limited.