Manufacturer: Sun Hemmi
Country of Manufacture: Japan
Type: Hughes Owen 1777
Number: NJ
Date of Manufacture:  
Scales: (Front) LL0, LL/0, K, DF [ CF, CIF, CI, C] D, R1, R2, L
Scales: (Back) LL/1, LL/2, LL/3 [ T, ST, S, C] D, LL3, LL2, LL1
Number of Scales: 23
Gauge Points: π, R, re, e
Slide Rule made from: Bamboo and Plastic with Metal End Pieces
Cursor made from: Glass with Metal Frame
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 32 cm
Length of Scales: 25 cm
Width: 4.4 cm
Depth: 0.7 cm
Weight: 132 gm
Acquired from: Marcus Deacon
Date: Nov 2000
Condition: Medium
 Leather case. Good condition
 Identical to Hemmi 258
  JOS Vol 9, No. 2
 "The Sun Hemmi System of Trigonometrical
 and Hyperbolic Scales"
 Borchers and Cotter