Cassegrain reflecting Telescope of 2 1/2-inch aperture

Made:
1756-1758 in London
maker:
James Short
Cassegrain reflecting Telescope of 2 1/2-inch aperture Cassegrain reflecting Telescope of 2 1/2-inch aperture Cassegrain reflecting Telescope of 2 1/2-inch aperture Cassegrain reflecting Telescope of 2 1/2-inch aperture
Cassegrain reflecting Telescope of 2 1/2-inch aperture Cassegrain reflecting Telescope of 2 1/2-inch aperture Cassegrain reflecting Telescope of 2 1/2-inch aperture Cassegrain reflecting Telescope of 2 1/2-inch aperture

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Cassegrain reflecting brass telescope, 2½-inch aperture, with claw-foot pillar stand and divided object-lens micrometer, in original wooden case. Made by James Short, London, 1756–1758. Engraved "James Short London 224/908 = 9.6".

Details

Category:
Astronomy
Object Number:
1938-713
Materials:
brass and speculum metal
type:
telescope - cassegrain, telescope - reflecting and heliometer
credit:
Mr Thomas H. Court

Parts

Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand

Cassegrain reflecting Telescope of 2 1/2-inch aperture with claw foot pillar stand

Cassegrain reflecting brass Telescope, 2 1/2-inch aperture, with claw foot pillar stand. Made by James Short, London, 1756-1758. Engraved "James Short London 224/908 = 9.6".

Measurements:
overall: 422 mm x 250 mm x 280 mm, 2.75 kg
Materials:
complete , brass , steel , ivory and glass
Object Number:
1938-713 Pt1
type:
instrument component , telescope - cassegrain and telescope - reflecting
Image ©
The Board of Trustees of the Science Museum
Divided object-lens micrometer by Peter Dollond for cassegrain reflecting Telescope of 2 1/2-inch aperture

Divided object-lens micrometer by Peter Dollond for cassegrain reflecting Telescope of 2 1/2-inch aperture

Divided object-lens micrometer by Peter Dollond for cassegrain reflecting Telescope of 2 1/2-inch aperture, by James Short, London [224/908 = 9.6].

Measurements:
overall (estimate): 45 x 180 x 80 mm
Materials:
brass , glass and complete
Object Number:
1938-713 Pt3
type:
instrument component and heliometer
Image ©
The Board of Trustees of the Science Museum
Case for Short's split-lens micrometer

Case for Short's split-lens micrometer

Wooden case for objective spilt-lens micrometer by James Short, London [224/908 = 9.6].

Measurements:
overall (estimate): 50 x 200 x 100 mm
Materials:
wood and complete
Object Number:
1938-713 Pt4
type:
instrument case
Image ©
The Board of Trustees of the Science Museum
Wooden box for Cassegrain reflecting Telescope of 2 1/2-inch aperture, by James Short, London

Wooden box for reflecting telescope

Wooden box for Cassegrain reflecting Telescope of 2 1/2-inch aperture, by James Short, London

Measurements:
overall: 110 mm x 400 mm x 270 mm,
Object Number:
1938-713 Pt5
type:
storage box

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