1964 Russian USSR Leningrad GOST/ГОСТ 5161 - 57 Engineering Slide Rule Tool СССР
£25.03£30.53
Engineering Slide Rules
1960's Gost 5161-57 Russian USSR Engineering Slide Rule СССР Счётная линейка
£40.69£49.62
1960 Russian USSR Leningrad GOST/ГОСТ 5161 - 57 Engineering Slide Rule Tool СССР
£40.69£49.62
German Meissner Fabrikat Modell 75/2b Engineering Slide Rule System Rietz c.1950
£43.19£52.68
Rare LOGAREX 21601 Old GERMAN Engineering Triangular Slide Scale Rule with Case
£56.33£68.70