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Aristo-Studio Slide Rule

L.E. Jones

A 10″ slide rule made of plastic with grooved frame and flat plastic cursor with multiple hairlines and metal edges. The white plastic stops on each side have small rubber stands to avoid scratching and also facilitate use. Packaged in a light grey plastic case. Scales: Front: LL01, LL02, LL03, A, B, L, K, C, D, LL3, LL2, LL1. Back: ST, T1, T2, DF, CF, CIF, CI, C, D, P, S.

Accession Number: 2010.lej.5

Alternative Name:

Primary Materials: Metal, Plastic


Old inventory number = “5”. The end of the slide rule is engraved “Aristo Nr. 0968, Germany”. The serial number is “2FX3”, engraved on the other side of the end.

Dimensions (cm): Height = 0.8, Width = 5.7, Length = 34

Function: Facilitating calculations.


Very good: Slightly more worn than similar item, “2010.lej.4”.

Associated Instruments:

Manufacturer: Aristo. Hamburg, Germany

Date of Manufacture: 1969


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

Additional Information and References:

Historical Notes: Produced in Hamburg, lot number “42”.


  • Donated to UTSIC