1. This is the old style version of the Pickett N902-ES and the Pickett N902-T

Brand	Pickett
Model	902-T Simplex Trig
Country of Manufacture	USA
Scales Front	K, A [B, T, S, C] D, L
Scales Back
Number of Scales	8
Slide Rule Materials	Aluminium
Cursor Materials	Metal/Plastic with metal screws
Cursor Lines	1 Front
Scale Length	25 cm
Length	30.7 cm
Width	3.2 cm
Condition	Good
Documentation	None
Accessories	None