Hemmi 257L Expert Chemical Engineer

Country of manufacture: Japan,            Date of manufacture: Oct 1973
Overall length: 32.0 cm,          Width: 4.5 cm,           Weight: 137.2 gms
Materials: Celluloid laminate over bamboo, metal end braces, adjustable
Cursor: 3.0 X 5.7 X 1.2 cms; plastic runners, metal framed glass lens, adjustable; lines = single hairline, front and back
Scales: 24
Front: L, K, A, DF [CF, CIF, CI, C] D, LL3, LL2, LL1
Back: Ch (A-M), Ch (N-Z), M1 [M2, T°F, T°C, T°K, LM ] mm Hg , Kg/cm², in. Hg Vac., tω
Gauge Marks: [π, C, e, many chemical symbols ]
Condition: C2-C3 (Mint to very minimal signs of use)
Came with: Original leather case, manual