Glass disc for telescope mirror, 12" diameter and

Made:
1840-1870 in England
maker:
Charles Algernon Parsons

Glass disc for telescope mirror, 12" diameter and 2 1/4" thick. Built up from two 3/8" plate glass circles separated by granulated glass in an experiment conducted by Sir Charles A. Parsons

Details

Category:
Astronomy
Object Number:
1954-183
type:
glass mirrors
credit:
C.A. Parsons and Company Limited.
status:
Permanent collection

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