Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Long and Long Scale Slide Rules
Dietzgen / 1759-C Phillips
Eugene Dietzgen
Wood/celluloid veneers
50 cm
General Calculations

Notes: Slide is longer than the stock. Unusually a K scale is on the bottom side edge and labelled E. One of several models that made up the Phillips series.

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