Manufacturer: Charles Bruning
Country of Manufacture: U.S.A.
Type: Bruning 2420
Date of Manufacture:  
Scales: (Front) ins / A [B, CI, C] D, K / cm
Scales: (Back)         [S, L, T]
Number of Scales: 9
Gauge Points: π, n''
Slide Rule made from: Plastic
Cursor made from: Glass with Metal Frame
Cursor Lines: 1
Overall Length of Rule:
Length of Scales: 25.3 cm
Width: 4.0 cm
Depth: 0.9 cm
Weight: 88 gms
Acquired from: Scott Miller
Date: Sep 2001
Condition: Good
 Leather case. Good condition