Hemmi 401 Colied Spring Rule

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Country of manufacture: Japan,            Date of manufacture: Oct, 1965,      Date Code: PJ
Overall length: 32.0 cm,          Width: 4.1 cm,           Weight: 107.2 gms
Materials: Celluloid laminate over bamboo, metal end braces, adjustable
Cursor: 3.0 X 5.3 X 1.2 cms; plastic runners, metal framed glass lens, adjustable; lines = single hairline, front and back, plus 2 index marks and a D/d scale on the front.
Scales: 17, specialized
Front: Stress: τo, P [ d, D, D, G, Na (δ), G ] r(P), Const. D
Back: Weight: d, W [ N_t, D, MI, M ] L
Gauge Marks: [       ]
Condition: C3 (Very Minimal Signs of Use)
Came with: Original dark green/white cardboard case

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