The "Kostules" rule

Made:
1950-1970 in London
maker:
Lever Brothers
The Kostules' rule, plastic, by Lever Brothers of London

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The Kostules' rule, plastic, by Lever Brothers of London
Science Museum Group
© The Board of Trustees of the Science Museum

The "Kostules" rule, plastic, by Lever Brothers of London, 1950-1970

Details

Category:
Ophthalmology
Object Number:
1987-589
Materials:
plastic
type:
optical rules
credit:
Christie's South Kensington Limited