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Nestler 11-ZR – Closed Simplex Slide Rule

L.E. Jones

A 5″ Mannheim type slide rule made entirely of plastic in the System Rietz style. There are four scales at the front, with three scales at the back of the slide. The back of the stock contains the name of manufacturer and model number of this slide rule. There is an inch scale on the side of the slide rule. This Albert-Nestler Nr.11 was packaged in a sleek leather case with the company╩╝s logo in it. Scales: The scales on the front surface of the slide rule are not named. However, they are likely K, A [ B, CI, C ] D, L (from, accessed 2010). At the back of the slide, the three scales are S, S&T and T.

Accession Number: 2010.lej.21

Alternative Name:

Primary Materials: Plastic


Old Inventory Number = 21.
Markings: “Nr. 11 ZR ALBERT NESTLER A-G LAHR, G. B. Moxon” (presumably a previous ownder) is written on the bottom face.

Dimensions (cm): Height = 3, Width = 3, Length = 14.2

Function: For facilitating calculations.


Very good: yet, it is apparently missing a glass cursor.

Associated Instruments:

Manufacturer: Albert Nestler A-G. Lahr i/B B.

Date of Manufacture: c. 1952-1972


Additional Information and References:

Historical Notes: