Pickett 500-T Orthophase Log Log

Country of manufacture: USA,            Date of manufacture: ____
Overall length: 30.9 cm,          Width: 3.8 cm,           Weight: 98.0 gms
Materials: all aluminum, adjustable
Cursor: 2.2 X 4.7 X 0.6 cms; all plastic, adjustable; lines = single line, front and back
Scales: 20, no extensions
Front: LL0, LL00, A [ B, ST, T, S, C ] D, K
Back: L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
Gauge Marks: [ π, 785, //, /, R, e ]
Condition: C5-C6 (signs of normal to heavy use)
Came with: Original light brown leather case, belt loop connection missing