Tehnolemn Politehnica

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Country of manufacture: Romania,            Date of manufacture: ____
Overall length: 30. cm,          Width: 5.0 cm,           Weight: 138.7 gms
Materials: Celluloid lamimate over wood
Cursor: 4.4 X 5.1 X 1.6 cms; all plastic; lines = Five hairlines
Scales: 19, extensions on A, B, C, CI, D
Front: 27 cm. // P, K, A [ B, BF, tg (50-10), sin (10-100), CI, C ] D, LL₃, LL₂, LL₁ || L, 1:25
Slide Back: [S, ST, T]
Well: Efficiency, (Dynamo-Motor), ΔU (volts)
Back: Electrical Properties of Metals, Physcal and Mechanical constants, Conversion Factors
Gauge Marks: [ π, e, C, C1, 287, 736, M, 785, Cu (1785), Cu (1124), ρ'', ρ^o, ρ^g (6366), {unknown: W_p (172), J (2125), W_z (217) } ]
Condition: C5 (Signs of normal use)
Came with: Original Red cardboard box/case

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