Relay 105 Greg's Slide Rules



Relay 105 - Notes

  1. I have seen one other example of a Relay 105 that had the Scientific Instruments label on it as well.
  2. Has J.K-3 marked in the bottom right corner on the back A similar marking is on the Relay 82.
  3. Relay were taken over or combined into the Ricoh Slide Rule group.


Further details about this Slide Rule:

Brand Relay
Model 105
Country of Manufacture Japan
Scales Front Centimetres, K, A [B, CI, C] D, L, Inches
Scales Back [S, S&T, T]
Number of Scales 10
Slide Rule Materials Bamboo/Celluloid
Cursor Materials Metal/Glass
Cursor Lines 1 Front, 1 Back
Scale Length 25 cm
Length 29.5 cm
Width 3.9 cm
Condition Good
Documentation None
Accessories Leather case

Last updated: 2002-08-17 17:40 AEST
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