Hemmi 70 Rietz 20", Example 2

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Country of manufacture: Japan,            Date of manufacture: 1951-1967
Overall length: 56.5 cm,          Width: 4.8 cm,           Weight: 261.9 gms
Materials: Celluloid laminate over bamboo
Cursor: 6.1 X 4.6 X 0.5 cms; metal framed glass lens; lines = three hairlines
Scales: 12
Front: 50 cm // K, A [ B, CI, C ] D, L || 25-0-25 cm
Slide Back: S, S&T, T
Gauge Marks: [π, C (1128), ρ'' (2063), ρ' (3438), ρ,, (6366), 7854) ]
Back: Conversion factors, constants, trig formulae
Condition: C5 (Normal Signs of Use)
Came with: Nothing
Note: Viewing window on back right is broken but can still be used.

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