| Manufacturer: |
Blundell |
| Country of Manufacture: |
England |
| Type: |
Academy Duplex 506 |
| Number: |
|
| Date of Manufacture: |
1965+ |
| Scales: (Front) |
LL01, LL02, LL03, DF [CF, CIF, CI, C] D, LL3, LL2, LL1 |
| Scales: (Back) |
Sh1, Sh2, Th, A [B, T, ST, S] D, DI, K, L |
| Number of Scales: |
24 |
| Gauge Points: |
π, e, re, p'', p |
| Slide Rule made from: |
Plastic |
| Cursor made from: |
Plastic |
| Cursor Lines: |
1 front, 4 back |
| Overall Length of Rule: |
34 cm |
| Length of Scales: |
25.4 cm |
| Width: |
4.9 cm |
| Depth: |
0.4 cm |
| Weight: |
113 gm |
| Acquired from: |
Mark Buttterworth |
| Date: |
Jan 2001 |
| Condition: |
Good |
| Accessories: |
Plastic case. Good condition
|
| Comments: |
See JOS Vol 7, No1 for
"Blundell: A Brief History of Blundell Harling Ltd"
|