Manufacturer: T. O. Buss
Country of Manufacture: England
Type: Farmar's Rule
Number: 3133
Date of Manufacture:  
Scales: (Front) A [B, C] D, E, F / M
Scales: (Back) 2 specialised , G [H, 1/-] J, K, KK
Number of Scales: 15
Gauge Points:  
Slide Rule made from: Wood
Cursor made from: Wood and plastic
Cursor Lines: 1 back, 1 front
Overall Length of Rule: 37.5 cm
Length of Scales: 28.0 cm
Width: 5.5 cm
Depth: 0.6 cm
Acquired from: Rachel Oliver
Date: November 2003
Condition: Good