RUSSIAN SLIDE RULES by Sergei Frolov

MEDIUM SLIDE RULES #1

25 cm (10"). "Prometeus". Year: 1920-30th
Details: Front side | Back side

25 cm (10"). "Prometeus". Year: 1920-30th
Details: Front side | Back side

27 cm (10 1/2"). Albert Nestler N 23. Year: 1920th
Details: Front side | Back side

25 cm (10"). Gost 5161-57. Year: 1959
Details: Front side | Back side

25 cm (10"). Leningrad. Year: 1938
Details: Front side | Back side

NEXT: MEDIUM SLIDE RULES #2

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