J. H. Weil Military Slide Rule, Model of 1917

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Country of manufacture: USA (by Geo. W. Richardson)            Date of manufacture: ___
Overall length: 45.7 cm,          Width: 5.1 cm.,           Weight: 311.4 gms.
Materials: Mahogany and celluloid laminate on a brass frame
Cursor: This rule was not designed for a cursor
Scales: 6
Front: A (Yards or Meters) [ B (Mils) C ] D (Yards or Meters)
Back: [ B (Mils) C ]
Gauge Marks: none
Condition: C4-C5 (Minimal to normal signs of use)
Came with: none
Note: Instructions for use may be found here.

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Engraved on brass backplane:

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