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LicenseReady reckoner for calculating angular velocity of grinding
Science Museum Group
© The Board of Trustees of the Science Museum
Ready reckoner for calculating angular velocity of grinding wheels marked ELB-Schliff and made by IWA
Details
- Category:
- Mathematics
- Object Number:
- 1990-677
- Materials:
- plastic
- Measurements:
-
overall: 3 x 155 x 85 mm
- credit:
- Auction Team Koln
