Demainbray's optical model
- Made:
- 1752
This image is released under a CC BY-NC-SA 4.0
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License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
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License this image for commercial use at Science and Society Picture Library
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
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
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
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
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
© The Board of Trustees of the Science Museum, London
Science Museum Group
© The Board of Trustees of the Science Museum, London
Optical model of a spectrum brought to a focus
Science Museum Group
© The Board of Trustees of the Science Museum, London
Optical model of a spectrum brought to a focus
Science Museum Group
© The Board of Trustees of the Science Museum, London
King's College London
© The Board of Trustees of the Science Museum
King's College London
© The Board of Trustees of the Science Museum
King's College London
© The Board of Trustees of the Science Museum
Optical model of a spectrum brought to a focus, maker unknwon, 1752. Once belonged to Stephen Demainbray. A handwritten inscription on the base reads: 'Prism, Screen & Convex Lens/.../Focus '3''.
This model is one of a series of optical models that were once owned by Stephen Demainbray and used by him in his lectures on natural philosophy. it consists of a pinhole in wood with a prism, a convex lens, and a screen. Originally silk cords would have been used to represent the rays of light. Demainbray worked as superintendent at the King's observatory at Kew from 1768 and his collection of instruments and apparatus was absorbed into the King's own collection.
Details
- Category:
- King George III
- Object Number:
- 1927-1433
- Materials:
- base, fruitwood, prism,lens,screen, ivory and pinhole, mahogany
- Measurements:
-
overall: 75 mm x 230 mm x 80 mm, 0.26 kg
- rights:
- Unlinked Name
- credit:
- King’s College London
