Logarex 4542-27501 20 Inch Rietz-style

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Country of manufacture: Czechoslovakia,            Date of manufacture: ____
Overall length: 57.7 cm,          Width: 5.0 cm,           Weight: 263.9 gms
Materials: Simplex design, all plastic
Cursor: 5.0 X 5.7 X 0.7 cms; all plastic; lines = three
Scales: 10, extensions on x², x_z², 1/x, x_z, x
Front: Log x, x³, x² [ x²_z, 1/x, x_z ] x, sin, tg, e^x
Back: blank
Slide Back: blank
Gauge Marks: [π, C (1128), C1 (3568), ρ" (2063), ρ' (3438) ]
Condition: C2-C3 ( Mint to Very Minimal signs of use)
Came with: Nothing
Notes: darker shading on right of rule past about 2.0 on the 'C' scale is due to an artifact in scanning and stitching together scans. It does not appear on the rule itself.

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