30" mirror or blank

Telescope mirror or blank stored in customised crate. This may be part of the Thompson equatorial , a 30-inch reflector at Herstmonceux. It could also be a 30-inch mirror with skeleton tube and fork mounting which J.H. Hindle made in 1939 for Dr. W.H. Steavenson.

Object Details

ID: AST1194
Collection: Astronomical and navigational instruments
Type: 30" mirror or blank
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 310 mm x 850 mm x 850 mm x 232 kg