| Manufacturer: |
Felsenthal |
| Country of Manufacture: |
USA |
| Type: |
Logarithmic Calculator |
| Number: |
|
| Date of Manufacture: |
|
| Scales: (Front) |
S, A [B, K, D], complementary angle |
| Scales: (Back) |
T, D [C, CI, L, decimal equivalents] |
| Number of Scales: |
12 |
| Gauge Points: |
π, p', p'' on S scale, q on A and B scale, N on C and D scale |
| Slide Rule made from: |
Plastic |
| Cursor made from: |
Plastic |
| Cursor Lines: |
1back, 1 font |
| Overall Length of Rule: |
14.0 cm diameter |
| Length of Scales: |
|
| Width: |
|
| Depth: |
0.1 cm |
| Weight: |
41 gms |
| Acquired from: |
Robert Houston |
| Date: |
July 2002 |
| Condition: |
Good |
| Accessories: |
Paper case. Good condition
Instructions (English) Good condition
|
| Comments: |
|