Six and a half inch glass mirror in original brass

Made:
1780-1820 in England
maker:
William Herschel

Six and a half inch glass mirror in original brass cell, with close fitting tin cap with handle cell 1 1/16" deep outside, exact focal length 7ft 1.75 in, "D" painted on cell and lid

Details

Category:
Astronomy
Object Number:
1925-463
Materials:
brass, glass and tin
type:
glass mirrors
credit:
Mr John Herschel-Shorland