Hughes-Owens 1766 - Log-Log Twinplex Greg's Slide Rules
Front Left

Front Right

Back Left

Back Right

Hughes-Owens 1766 - Log-Log Twinplex - Notes

  1. Hughes-Owens version of Hemmi 152 and Post 1459.
  2. Post sold this model from 1932 until WWII.
  3. Hughes-Owens had this in their catalogue from 1935-1937 and 1948.
  4. Not sure if this model is pre-war however the Bamboo has turned a rich dark brown colour, the action is still very smooth and the cursor is the old style.


Further details about this Slide Rule:

Brand Hughes-Owens
Model 1766 - Log-Log Twinplex
Country of Manufacture Japan
Scales Front K, A [B, CI, C] D, T
Scales Back Θ, RΘ, P [Q, Q1, C] LL3, LL2, LL1
Number of Scales 16
Slide Rule Materials Bamboo/Celluloid
Cursor Materials Metal/Glass
Cursor Lines 1 Front, 1 Rear
Scale Length 25 cm
Length 32 cm
Width 4 cm
Condition Good - Leather case is badly scuffed and the top flap is missing
Documentation None
Accessories Leather case

Last updated: 2004-08-22 22:30 AEST
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