Manufacturer: Simplon
Country of Manufacture: England
Type: BiLateral
Number:  
Date of Manufacture:  
Scales: (Front) A [B, C] D
Scales: (Back) A, S, L, T, D
Number of Scales: 9
Gauge Points: π, C, C1
Slide Rule made from: Plastic and Boxwood
Cursor made from:  
Cursor Lines:  
Overall Length of Rule: 16.2 cm
Length of Scales: 12.5 cm
Width: 2.5 cm (1")
Depth: 0.8 cm
Weight: 64 gms
Acquired from:  
Date:  
Condition: Poor
Accessories: 
 Cardboard case.  Poor condition
Comments: 
 No Cursor.  It must have extended over
 a very unusual back.
 Plastic pinned to Boxwood