Hemmi 80/3 with overrange

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Country of manufacture: Japan,            Date of manufacture: ____
Overall length: 29.5 cm,          Width: 4.0 cm,           Weight: 103.9gms
Materials: celluloid laminate over bamboo
Cursor: 3.6 X 3.9 X 0.5 X, metal framed glass lens; Lines: three lines front only
Scales: 14, extensions on A, B, C, D
Front: 27 cm // LL2, A [ B, CI, C ] D, LL3 || 10 in.
Well/Gutter: Dynamo/Motor Efficiency, Volts           Slide Back:      [ S, L, T ]
Gauge Marks: [π, C, C1, 287, 736, M ]
Back:decimal equivalents, conversion factors, physical constants
Condition: C4 (minimal signs of use)
Came with: Original black Hemmi cardboard box

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Well and Back of Slide

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