Demainbray's model of a camera obscura
Model demonstrating the principle of a camera obscura, unknown maker, 1752, but once belonged to Stephen Demainbray.
Model showing the principle of a camera obscura. This belonged to Stephen Demainbray and was used by him in his lectures on natural philosophy. It was sketched by Pere Chabrol, an attendee of one of the lectures in 1753.
The light rays, represented by threads, start from the coloured cross on the right, through the lens and are then reflected by the 45 degree mirror onto the horizontal screen above it. The cross on the left demonstrates the path of the light rays had the mirror not been present. 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. It was itemised in the Queen's catalogue.
- King George III
- Object Number:
- furnishing and equipment
- tools & equipment
- King's College, London
- Unlinked Name
Cite this page
We encourage the use and reuse of our collection data.
Data in the title, made, maker and details fields are released under Creative Commons Zero
Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence
Download catalogue entry as json
View manifest in IIIF viewer
Download manifest IIIF
Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.