RUSSIAN SLIDE RULES by Sergei Frolov

MEDIUM SLIDE RULES #2

25 cm (10"). Gost 5161-49. Leningrad. Year: 1954
Details: Front side | Back side

25 cm (10"). Leningrad. Year: 1940
Details: Front side | Back side

25 cm (10"). Gost 5161-57. Year: 1966
Details: Front side | Back side

25 cm (10"). Gost 5161-72. Year: 1975
Details: Front side | Back side

25 cm (10"). Gost 5161-72. Year: 1977
Details: Front side | Back side

NEXT: MEDIUM SLIDE RULES #3

Last update: 2001-07-07 12:29
© Sergei Frolov, 1998-2001