RUSSIAN SLIDE RULES by Sergei Frolov

SMALL SLIDE RULES #2

12 cm (4 3/4"). Year: 1938
Details: Front side | Back side

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

15 cm (6"). Gost 5161-72.
Details: Front side | Back side

Details: Front side | Back side

Gost 5161-57. Leningrad. Year: 1964
Details: Front side | Back side

TU25.01.510-72. Year: 1974
Details: Front side | Back side

NEXT: MEDIUM SLIDE RULES #1

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