Midget circular slide rule by Dietzgen

Made:
1955 in United States
Midget circular slide rule by Dietzgen with instruction leaflet

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Midget circular slide rule by Dietzgen with instruction leaflet
Science Museum Group
© The Board of Trustees of the Science Museum

Midget circular slide rule by Dietzgen with instruction leaflet and case

Details

Category:
Mathematics
Object Number:
1998-227
Materials:
aluminium, brass, plastic, synthetic leather, paper and complete
Measurements:
overall: 10 x 110 cm
type:
circular slide rule
credit:
Mr John Peart