Hemmi 642T Improved Rietz - Ahrend

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Country of manufacture: Japan,            Date of manufacture: ____,      Date Code: none
Overall length: 29.6 cm,          Width: 5.3 cm,           Weight: 114.5 gms
Materials: Celluloid lamimate over bamboo, simplex design
Cursor: 3.6 X 5.2 X 0.6 cms; all plastic; lines = three
Scales: 14, extensions on A, B, BI, CI, C, D
Front: 27 cm // K, A [ B, BI, CI, C ] D, DI, L
Slide Back: T₂, T₁, ST, S
Gauge Marks: [π, C, ρ'', ρ', ρ^o]
Back: Decimal/fraction equivalents, mathematical constants, gauge points for various conversions or mensuration formulae, weight of metals
Condition: C0 (Mint w/all extras)
Came with Original box, blue/white plastic case, manual

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