Subminiature Foucault knife-edge tester, plus box

Made:
1950-1975 in Luton
maker:
Horace Edward Dall

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

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Details

Category:
Astronomy
Object Number:
1987-528/15
type:
personal property
credit:
Dall, H.
status:
Permanent collection

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