Helix Modern maths U07 Log-Log (10-inch) slide rul

Made:
1970-1975 in Japan

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Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Helix Modern maths U07 Log-Log (10-inch) slide rule with plastic sleeve and instructions

Details

Category:
Mathematics
Object Number:
1998-451
Materials:
complete, paper and plastic
type:
slide rule
credit:
Mr J.C. Michie