Circular mirror, 3.4-inch diameter

Made:
1960-1970 in England

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One of 15 aluminium coated glass or quartz circular mirrors, 3.4-inch diameter, low expansion glass mirror of around 1.5 metre focal length, labelled, 'M3, 2 3/4 º, lamda/10 off axis paraboloid' in wooden case, 1960-1970.

Details

Category:
Astronomy
Object Number:
2001-672 Pt3
type:
glass mirrors
credit:
University of Oxford (Dept of Physics)