Gordon LogLog (same as Weber 04293, Charvoz-Roos SR-III Trig-O-Log, Berger C2138M, Compass SR-909)

Country of manufacture: USA,            Date of manufacture: ____
Overall length: 31.1 cm,          Width: 4.0 cm,           Weight: 93.5 gms
Materials: Celluloid laminate onto wood, metal end braces, adjustable
Cursor: 2.7 X 5.5 X 1.1 cms; plastic runners holding unframed plastic lens, adjustable; lines = single line front and back
Scales: 20, no extensions, printed, not engraved
Front: L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
Back: LL0, LL00, A [ B, K, CI, C ] S, ST, T
Gauge Marks: [ π, e, 785, //, / ]
Condition: C4 (signs of minimal use)
Came with: Original dark brown faux alligator skin case