Pickett 931-ES Greg's Slide Rules
Front Left

Front Right

Back Left

Back Right

Pickett 931-ES - Notes

  1. This rule was specially made for the Capitol Radio Engineering Institute.
  2. Identical to the N531-ES in the scales. This rule appears to be older as it does not include the N prefix for the model number. It is also a narrower rule being based on the 900 series body rather than the wider 500 series body.
  3. Pickett has a history of making special rules for organizations or as advertising, refer also to the N515-T.


Further details about this Slide Rule:

Brand Pickett
Model 931-ES
Country of Manufacture USA
Scales Front L, Ln, A [B, CI, C] D, 2π, K
Scales Back LL2, LL1 [S, ST, T, C] D, LL3
Number of Scales 17
Slide Rule Materials Aluminium
Cursor Materials Nylon/Plastic
Cursor Lines 1 Front, 1 Rear
Scale Length 25 cm
Length 30.7 cm
Width 3.2 cm
Condition Fair, Missing head of adjusting screw
Documentation None
Accessories Vinyl slip case

Last updated: 2004-08-22 23:30 AEST
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Copyright 2002-2004. All rights reserved. Contact: Greg