Subminiature Foucault knife-edge tester

Subminiature Foucault knife-edge tester

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Subminiature Foucault knife-edge tester
Science Museum Group
© The Board of Trustees of the Science Museum

Subminiature Foucault knife-edge tester, plus box of two illuminated knife edges

Details

Category:
Astronomy
Object Number:
1987-528/15
type:
optical testing instruments, foucault testers and personal property
credit:
Dall, H.