RUSSIAN SLIDE RULES by Sergei Frolov

SMALL SLIDE RULES #1

14 cm (5 1/2"). Sojuz factory (c. Leningrad). Year: 1920-30th
Details: Front side | Back side

Ultra small. 11 cm (4 1/2").
Details: Front side | Back side

15 cm (5.9"). Metallometer factory (c. Leningrad). Year: 1934
Details: Front side | Back side

13 cm (5"). Prometeus. Year: 1920-30th
Details: Front side | Back side

15 cm (6"). Year: 1940
Details: Front side | Back side

NEXT: SMALL SLIDE RULES #2

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