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Slide Rule

L.E. Jones

A 10″ lightweight slide rule made of plastic. The body has a grooved frame and flat plastic cursor. The cursor has a single red coloured line and is frameless. There are scales present on only one side of the slide rule, and there are yellow coloured plastic stops on both ends of the top surface. Scales: Front: S, K, A, B, CI, C, D, L, T.

Accession Number: 2010.lej.6

Alternative Name:

Primary Materials: Plastic

Markings: Old inventory number = 6.

Dimensions (cm):

Height = 0.6, Width = 4.5, Length = 31.1

Function: Facilitating calculations.


Fair: The slide rule is fairly preserved and is in working condition.

Associated Instruments:

Manufacturer: Unknown, possibly Japanese

Date of Manufacture: c.1960-75


Part of the L. E. Jones slide rule collection.

Additional Information and References:

Historical Notes:


  • Donated to UTSIC