Manufacturer: Pickett and Eckel
Country of Manufacture: U.S.A.
Type: N904-ES. Trig and Decimal Keeper
Number: 123
Date of Manufacture:  
Scales: (Front) K, A [ B, T, S, CI, C] D, L
Scales: (Back) K*, A* [ B*, T*, S*, CI*, C*] D*, L*
Number of Scales: 18
Gauge Points: π, R
Slide Rule made from: Aluminium
Cursor made from: Plastic
Cursor Lines: 1 front, 1 back. Cursor slightly magnifying
Overall Length of Rule: 30.8 cm
Length of Scales: 25.0 cm
Width: 3.2 cm
Depth: 0.3 cm
Weight: 80 gms
Acquired from: Dick Schwartzer
Date: Dec 2001
Condition: Good
 Leather sheath.  Good condition
 Manual (English).  Good condition