Ready reckoner

Ready reckoner for calculating angular velocity of grinding

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Ready 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
type:
ready reckoner (engineering)
credit:
Auction Team Koln