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Aristo Rietz Slide Rule: Model Nr. 89

L.E. Jones

A 5″ slide rule made with astralon and plexiglass. This slide rule is designed in the rietz style common to many German slide rules. The slide is grooved and there are no stops present. The cursor is made of concave plastic with four hairlines. A five inch ruler is printed on the back surface. Scales: Front: K, A, B, CI, C, D, L; Back: S, ST, T, C, D. Markings: [Serial] G574; The following is printed in the back surface: HB Estructuras Metalicas S. A., Bogata “Cali ” Medellin; The name “Moxon” is scratched in back surface

Accession Number: 2010.lej.36

Alternative Name:

Primary Materials: Astrolon, Plexiglass

Markings: Old Inventory Number = 36.

Dimensions (cm):

Length = 15.5 cm; Width = 3.3; Height = 1 cm

Function: Facilitating calculations.

Condition: Item is in very good condition.

Associated Instruments:

Manufacturer: Aristo. Hamburg, Germany

Date of Manufacture: 1957


Additional Information and References:

Historical Notes: