| Manufacturer: |
ALRO |
| Country of Manufacture: |
Holland |
| Type: |
200R |
| Number: |
|
| Date of Manufacture: |
1935 ? |
| Scales: (Front) |
S, T, ST, A, C [ D, B, DI, K] |
| Scales: (Back) |
None |
| Number of Scales: |
9 |
| Gauge Points: |
π, Cu (572), mot (737), M all on A scale, C (1128, Cu (572), 736 (but no letter) all on D scale |
| Slide Rule made from: |
Metal (Steel?) |
| Cursor made from: |
Plastic |
| Cursor Lines: |
1 |
| Overall Length of Rule: |
11.9 cm Diameter |
| Length of Scales: |
|
| Width: |
|
| Depth: |
|
| Weight: |
212 gms |
| Acquired from: |
Hans Bloemen |
| Date: |
July 2002 |
| Condition: |
Medium |
| Accessories: |
Integral metal case (Medium condition)
|
| Comments: |
2 rotating ciruclar discs
|