Ready reckoner for drilling calculations

Ready reckoner for drilling calculations, plastic

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Ready reckoner for drilling calculations, plastic
Science Museum Group
© The Board of Trustees of the Science Museum

Ready reckoner for drilling calculations, plastic, by Raboma-Maschinenfabrik, Berlin Borsigwalde

Details

Category:
Mathematics
Object Number:
1990-701
Materials:
plastic
Measurements:
overall: 4 x 150 x 85 mm
type:
ready reckoner (engineering)
credit:
Auction Team Koln