RUSSIAN SLIDE RULES by Sergei Frolov

LARGE SLIDE RULES #1

Albert Nestler № 24. 55 cm (21 1/2"). Year: 1920th
Details: Front side #1 | Front side #2 | Back side #1 | Back side #2

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