Hemmi 153 Electrical Engineer

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Country of manufacture: Japan,            Date of manufacture: 1952
Overall length: 32.0 cm,          Width: 4.0 cm,           Weight: 129.0 gms
Materials: celluloid laminate on 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
Scales: 18, no extensions
Front: L, K, A [B, CI, C ] D, T, G_θ
Back: θ, R_θ, P [Q, Q', C] LL3, LL2, LL1
Gauge Marks: [π, C, ρ'', ρ', ρ^o, e, 1/e ]
Condition: C5 (signs of normal use)
Came with: Original (badly worn) box/case

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