Manufacturer: |
Sun Hemmi |
Country of Manufacture: |
Japan |
Type: |
259D |
Number: |
0F |
Date of Manufacture: |
|
Scales: (Front) |
L, K, A [ B, T, S, ST, C] D, DI, LL0, LL/0 |
Scales: (Back) |
LL/1, LL/2, LL/3, DF [CF, CIF, CI, C] D, LL3, LL2, LL1 |
Number of Scales: |
24 |
Gauge Points: |
π, C, R, re, e |
Slide Rule made from: |
Bamboo and Plastic with Metal End Pieces |
Cursor made from: |
Plastic with Metal Frame |
Cursor Lines: |
1 front, 1 back |
Overall Length of Rule: |
32.0 cm |
Length of Scales: |
25 cm |
Width: |
4.5 cm |
Depth: |
0.7 cm |
Weight: |
133 gm |
Acquired from: |
Paul Ross |
Date: |
Apr 2001 |
Condition: |
Good |
Accessories: |
Cardboard box. Medium condition
Instructions (English). Good condition
|
Comments: |
JOS Vol 9, No 2
"The Sun Hemmi System of Trigonometric
and Hyperbolic Scales"
Borchers and Cotter
|