Two self-marking Knife-edge Foucault testers

Two self-marking Knife-edge Foucault testers, plus microlens light source, bag of optical tubes, box of accessories, box of extending arms, box of "oddments"

Details

Category:
Astronomy
Object Number:
1987-528/14
type:
optical testing instruments, foucault testers and personal property
credit:
Dall, H.