Brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne

Made:
1749-1774 in London
maker:
Edward Nairne

Brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne, London on altazimuth mounting with claw foot tripod and wooden case with no key.

Details

Category:
Astronomy
Object Number:
1911-256
Materials:
brass, speculum and complete
type:
telescope - gregorian and telescope - reflecting
credit:
Mr Thomas H. Court

Parts

Brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne

Brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne

Brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne, London on altazimuth mounting with claw foot tripod.

Measurements:
depth: 250mm
height: 430mm
width: 440mm
Materials:
brass (copper, zinc alloy) , glass and speculum (alloy of copper and tin)
Object Number:
1911-256 Pt1
type:
instrument component , telescope - gregorian and telescope - reflecting
Mahogany case for brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne

Mahogany case for brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne

Mahogany case for brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne, London on altazimuth mounting with claw foot tripod.

Measurements:
overall: 130 x 450 x 215 mm
Materials:
mahogany , brass and incomplete
Object Number:
1911-256 Pt2
type:
components , storage boxes and instruments
Image ©
The Board of Trustees of the Science Museum

Related Objects

Gunter quadrant

Gunter quadrant by Walter Hayes

Pocket globe in case by Dudley Adams

Mural arc made for King George III

Prototype beam splitter for the Advanced Laser Interferometer Gravitational Wave Observatory (aLIGO)

Walnut and brass model of the "Great Paris Telescope"