Manufacturer: Sun by Hemmi Slide Rule Co., Ltd, Japan
Model: Geotec 341-3012 Versalog II
Construction: Bamboo, Duplex, 10"
Scales: Front: LL/0, K, A, DF, CF, CIF, CI, C, D, R1, R2, LL0
Back: L, LL/1, LL/2, LL/3, T, SRT, S, C, D, LL3, LL2, LL1
