Manufacturer: Intra
Country of Manufacture: England
Type: 1081
Date of Manufacture:  
Scales: (Front) T1, T2, A [ B, BI, CI, C] D, P, S, ST
Scales: (Back) LL1, LL2, LL3, DF [CF, CIF, CI, C] D, L, K
Number of Scales: 22
Gauge Points: π, C, p'', p', e
Slide Rule made from: Plastic
Cursor made from: Plastic slight magnification
Cursor Lines: 4 front, 2 back
Overall Length of Rule: 33 cm
Length of Scales: 25 cm
Width: 4.5 cm
Depth: 0.4 cm
Weight: 98 gm
Acquired from: Benedikt Gaissmaier
Date: Feb 2001
Condition: Good
 No case
 Same as Royal 1081 and T.S. Emblem 1081