Slide rule for ferro-concrete calculations

Made:
1973 in Hamburg
Slide rule for ferro-concrete calculations by Aristo

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Slide rule for ferro-concrete calculations by Aristo
Science Museum Group
© The Board of Trustees of the Science Museum

Slide rule for ferro-concrete calculations by Aristo. Type 939 for n=15

Details

Category:
Mathematics
Object Number:
1995-566
Materials:
plastic, card, paper and complete
type:
slide rule (concrete)
credit:
Mr Hans Dennert