Manufacturer: Measurement Instrumentation Plant
Made in: Leningrad, USSR
Dimensions: 50 × 8 mm
Weight: 38 g
Tags: russiamakes, россияделаетсама, polytech, рдс, политех
Slide-rule, made by the Measurement Instrumentation Plant, Leningrad. This analogue measuring device was able to perform multiplication, division, exponentiation, square and cubic rooting, taking logarithms, etc. Such slide-rules were used by several generations of engineers and other specialists until electronic calculators became available.