Vintage Soviet logarithmic slide rule USSR in original case 1976 Moscow Original

Vintage Frederick Post (POST) 1460 Versalog Slide Rule w/ Leather Case

Soviet USSR Logarithmic Slide Rule in Original Case Ukraine Original Vintage

Frederick Post Universal Hemmi Slide Rule 1452W w/ Leather Case- in Great Shape

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Soviet USSR Logarithmic Slide Rule in Original Case Ukraine Original Vintage

Vintage Soviet Slide Ruler Logarithmic USSR in Original Case, 1970s, Ukraine.

Vintage Hoffman 601 Slide Rule 6" Pocket Size w/ AMA Academy Leather Case