Gregorian reflecting telescope of 2 1/8 inch aperture with shagreen covered tube and wooden case

Made:
1724-1731 in England

Gregorian reflecting telescope of 2 1/8 inch aperture with shagreen covered tube and wooden case. The telescope has a ball and socket stand with a claw foot tripod and a mahogany stand made by the Science Museum workshops. Attached to the wooden stand is another ball and socket mounting with screw stand added by Mr T H Court, the donor.

Details

Category:
Astronomy
Object Number:
1918-106
Materials:
brass (copper, zinc alloy), fish skin, glass, iron, speculum (alloy of copper and tin) and wood (unidentified)
Measurements:
stand: length 190 mm
stand: width 190 mm
stand: height 32 mm
rest: length 440 mm
rest: width 220 mm
rest: height 480 mm
type:
telescope - gregorian and telescope - reflecting
credit:
Mr Thomas H. Court

Parts

Case for Gregorian reflecting telescope of 2 1/8- inch aperture with shagreen covered tube

Case for Gregorian reflecting telescope of 2 1/8- inch aperture with shagreen covered tube

Case for Gregorian reflecting telescope of 2 1/8- inch aperture with shagreen covered tube.

Materials:
wood and complete
Object Number:
1918-106 Pt1
type:
components , storage boxes and instruments
Mahogany stand for Gregorian reflecting telescope

Mahogany stand for Gregorian reflecting telescope

Mahogany stand made by the Science Museum workshops for Gregorian reflecting telescope of 2 1/8-inch aperture with shagreen covered tube .

Materials:
mahogany (wood)
Object Number:
1918-106 Pt2
type:
instrument component and mounts (telescopes)
Image ©
The Board of Trustees of the Science Museum
Gregorian reflecting telescope of 2 1/8 inch aperture

Gregorian reflecting telescope of 2 1/8 inch aperture

Gregorian reflecting telescope of 2 1/8 inch aperture with shagreen covered tube.

Measurements:
depth: 220mm
height: 480mm
width: 440mm
overall (as displayed, shown in image): 438 mm x 430 mm x 155 mm, 2.404 kg
depth: 190mm
height: 32mm
width: 190mm
Materials:
brass (copper, zinc alloy) , iron , speculum (alloy of copper and tin) , glass , shagreen and wood
Object Number:
1918-106 Pt3
type:
instrument component , telescope - gregorian and telescope - reflecting

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