Manufacturer: Compass
Country of Manufacture: U.S.A.
Type: 1325
Number: J.K-3
Date of Manufacture:  
Scales: (Front) Sh2, Sh1, A [B, K, Th, C] D, Tr1, Tr2, db
Scales: (Back) Sr, Stheta, P', P [ Q, CF, CI, C] D, DF, LL2, LL3
Number of Scales: 23
Gauge Points: π, C, C1, e
Slide Rule made from: Bamboo and Plastic. Metal End Pieces
Cursor made from: Plastic
Cursor Lines: 1 front, 1 back
Overall Length of Rule: 33.5 cm
Length of Scales: 25 cm
Width: 4.6 cm
Depth: 0.7 cm
Acquired from: Vincent Cuzvin
Date: May 2008
Condition: Good
 Leather case.  Good condition