F.49 Data Sheet MJS-p-0244

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Dietzgen, 1759-B, 1919-1927

Serial Number or Date Stamp:

Country: USA

Primary construction material: wd

Case included?: no

General Description: Basic linear polyphase slide rule

Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 10 in.

Front Scales: in /| A [ B R C ] D || E

Back Scales: [ S L T ]

Notes: Phillips brand; R scale (reciprocal B); E (K) scale on bottom edge; no cursor

References: https://osgalleries.org/makers/reference/BabcockDietzgenMatrix.pdf

Date Acquired: 02/14/2022