Hemmi 274 General Engineering Rule

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Country of manufacture: Japan,            Date of manufacture: Feb, 1974,      Date Code: YB
Overall length: 32.2 cm,          Width: 4.5 cm,           Weight: 141.1 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: 19, no extensions
Front: L, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Back: K, A [ B, TI₂, TI₁, SI, C ] D, DI
Gauge Marks: [π, C, e, ρ'', ρ', ρ^o ]
Condition: C2 (Mint but missing one or more extras)
Came with: Original blue/white plastic case

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