Keuffel & Esser Dividing Engine for Linear Rules


This is one of two linear dividing engines presented to the Smithsonian in 1971 by Keuffel & Esser Company of Morristown, New Jersey. It is a precision machine for the graduation of the finely ruled lines on engineers’ flat scales. It was built by Keuffel & Esser after 1900 and was used in their Hoboken, New Jersey, factory through 1970.

A mark on the base reads: 209. A mark on the switch box reads: UNIVERSAL (/) ENCLOSED SWITCH (/) UNIVERSAL (/) P1233.

Parts stored separately include two weights, a long metal holder for objects being divided, five metal feet (painted green), and metal clamps that hold objects to the holder.


Accession file 306012.

Date Made: after 1900

Maker: Keuffel & Esser Co.

Location: Currently not on view

Place Made: United States: New Jersey, Hoboken

Subject: Ruling and Dividing EnginesMathematics


See more items in: Medicine and Science: Mathematics


Exhibition Location:

Credit Line: Gift of Keuffel & Esser Company

Data Source: National Museum of American History

Id Number: MA.335266Catalog Number: 335265Accession Number: 306012

Object Name: dividing engine

Measurements: overall: 141 cm x 104 cm x 88.5 cm; 55 1/2 in x 40 15/16 in x 34 27/32 in


Record Id: nmah_1802359

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