Aristo 630 Chemie circular slide rule and calculator

Made:
1970-1975 in Hamburg
Aristo 630 Chemie circular slide rule and calculator for

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Aristo 630 Chemie circular slide rule and calculator for
Science Museum Group
© The Board of Trustees of the Science Museum

Aristo 630 Chemie circular slide rule and calculator for chemist in plastic case

Details

Category:
Mathematics
Object Number:
1997-2294
Materials:
plastic and complete
Measurements:
overall: 5 x 220 mm
type:
slide rule
credit:
Mr Hans Dennert