Ruler

Ražots PSRS
📦 Komplektā oriģinālais aizsargvāciņš
🔍 Stāvoklis ļoti labs, nelieli lietojuma pēdas, slīdnis darbojas brīvi

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Selling a well-preserved, authentic Soviet logarithmic ruler with a metal slider and the original black storage case. Made of wood and plastic, the sides feature useful physical constants, unit conversions, and friction coefficients in Russian.

📏 Perfect for:
✔️ Collectors
✔️ Retro-style office interiors
✔️ Enthusiasts of engineering and mathematics history

🧮 Various logarithmic scales (C, D, A, B, CI, K, L, S, T, ST, etc.)
📌 Manufactured in the USSR
📦 Includes the original protective cover
🔍 Condition is very good, slight signs of use, slider works smoothly