Brass refracting telescope of 4 1/2 inch aperture signed by Dollond

Made:
1855-1865 in London
maker:
Dollond and Company
Brass refracting telescope of 4 1/2 inch aperture signed by Dollond Brass refracting telescope of 4 1/2 inch aperture signed by Dollond Brass refracting telescope of 4 1/2 inch aperture signed by Dollond
Brass refracting telescope of 4 1/2 inch aperture signed by Dollond Brass refracting telescope of 4 1/2 inch aperture signed by Dollond Brass refracting telescope of 4 1/2 inch aperture signed by Dollond

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

Brass refracting telescope of 4 1/2 inch aperture signed by Dollond, London, c.1860. Altazimuth mount on wooden tripod, complete with original box, 1-inch finder 5 astronomical and 2 terrestrial eyepieces, slow-motion right ascension and declination gearing stabilising rods, brass collar, miscellaneous filters, travelling wire eyepiece micrometer with additional eyepiece and spare wire

Details

Category:
Astronomy
Object Number:
1982-919
Materials:
brass, wood and glass
type:
telescope - refracting and filar micrometer - wire
credit:
Philip, T. (Trevor) and Sons

Parts

wooden case, mahogany, for brass refracting telescope of 4 1/2-inch aperture by Dollond, London, c.1860, containing five astronomical and one terrestrial eyepieces, miscellaneous filters, travelling wire eyepiece micrometer with additional eyepiece and spare wire

wooden case

wooden case, mahogany, for brass refracting telescope of 4 1/2-inch aperture by Dollond, London, c.1860, containing five astronomical and one terrestrial eyepieces, miscellaneous filters, travelling wire eyepiece micrometer with additional eyepiece and spare wire

Measurements:
overall: 170 x 1610 x 270 mm
Materials:
mahogany
Object Number:
1982-919 Pt1
type:
instrument case
Brass refracting telescope of 4 1/2 inch aperture signed by Dollond Brass refracting telescope of 4 1/2 inch aperture signed by Dollond Brass refracting telescope of 4 1/2 inch aperture signed by Dollond Brass refracting telescope of 4 1/2 inch aperture signed by Dollond

Brass refracting telescope of 4 1/2 inch aperture signed by Dollond

Brass refracting telescope of 4 1/2 inch aperture signed by Dollond, London, c.1860. Altazimuth mount on wooden tripod, 1-inch finder, one terrestrial eyepiece, slow-motion right ascension and declination, gearing stabilising rods, brass collar.

Measurements:
overall: 2000 mm x 1900 mm x 1120 mm, ,
tripod: 1535 mm x 880 mm x 780 mm,
telescope: 250 mm x 1850 mm x 140 mm,
Materials:
metal , brass (copper, zinc alloy) , glass , mahogany (wood) and steel (metal)
Object Number:
1982-919 Pt2
type:
instrument component and telescope - refracting
Image ©
The Board of Trustees of the Science Museum

Related Objects

Film positive Nebula N.G.C. 3115
Transparency, 40"x51 1/2", of Crab Nebula in Taurus (M.1. N.G.C. 1952) photographed in red light by the 200-inch Hale telescope

Transparency, 40"x51 1/2"

Three photographic prints belonging to Horace Dall
Transparency, 40"x51 1/2", of Spiral galaxy in Pegasus, N.G.C. 7217, photographed by the 200-inch Hale telescope

Transparency, 40"x51 1/2"

Film positive 9 7/8 x 7 3/4) Nebula N.G.C. 7217
Glass diapositive in passe-partout frame [X14] of a drawing by Mr Wesley [plate 14] showing the solar corona as seen from Sfase, Tunisia at the solar eclipse of August 30th, 1905.

Glass diapositive of a drawing showing the solar corona at the eclipse seen from Tunisia