Manufacturer: BRL
Country of Manufacture: England
Type: Radiation Rule
Number: 5CG/0027
Date of Manufacture:  
Scales: (Front) [A1, A2] B1, B2 [C1, C2] D
Scales: (Back) [E1, E2] [F1, F2]
Number of Scales: 11
Gauge Points:  
Slide Rule made from: Plastic
Cursor made from: Metal and plastic
Cursor Lines: 1 front
Overall Length of Rule: 30.3 cm
Length of Scales: 24.6 cm
Width: 6.6 cm
Depth: 1.0 cm
Acquired from: Mark Butterworth
Date: April 2003
Condition: Good
 Cardboard box. Good condition.
 Unusual 2-slided rule.