+
-
Newtonian secondary mirror
An elliptical plane mirror made as a secondary mirror for a Newtonian reflector telescope. The diameter of the minor axis of this mirror is 29.21mm.
William Herschel, with help from his brother Alexander and his sister Caroline made a number of these mirrors to go in the telescopes they made to use and to sell.
William Herschel, with help from his brother Alexander and his sister Caroline made a number of these mirrors to go in the telescopes they made to use and to sell.
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | AST0818 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Newtonian secondary mirror |
| Display location: | Not on display |
| Creator: | Herschel, William; Johann Alexander Herschel Herschel, Caroline Lucretia |
| Date made: | circa 1800 |
| Credit: | National Maritime Museum, Greenwich, London, Herschel Collection |
| Measurements: | Diameter: 29.21 mm |
| Parts: | Newtonian secondary mirror |