Manufacturer: British Engraving and Nameplate Manufacturing
Country of Manufacture: England
Type: Bonwitt Circular
Date of Manufacture:  
Scales: (Front) U, A, B, C, D, L
Scales: (Back) sin1, sin2, tan1, tan2
Number of Scales: 10
Gauge Points: π,M, q, C, C1, c10, l10
Slide Rule made from: Plastic
Cursor made from: Plastic
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 12.5 cm diameter
Length of Scales:  
Depth: 0.3 cm
Weight: 59 gms
Acquired from: Ian Rees
Date: May 2002
Condition: Good
 Cloth sheath. Medium condition