Radius measurer, plus older two-lamp radius gauge

Radius measurer, plus older two-lamp radius gauge

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Radius measurer, plus older two-lamp radius gauge
Science Museum Group
© The Board of Trustees of the Science Museum

Radius measurer, plus older two-lamp radius gauge

Details

Category:
Astronomy
Object Number:
1987-528/18
type:
optical testing instruments, spherometers and personal property
credit:
Dall, H.