Campbell sunshine recorder
From Object Wiki
| Campbell sunshine recorder | |
|---|---|
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| Manufacturer | (unknown) |
| Production years | 1891 |
| Production location | (unknown) |
First spherical lens for a Campbell sunshine recorder, 1857 Campbell sunshine recorder bowl, 1891–92
When the Sun is more active, it emits more light and heat. The variations are subtle (about 0.1%) but nevertheless significant.
[edit] How it works
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The glass lens focuses the sunlight on the back of the bowl, scorching either the bowl itself or a piece of card laid inside it. mentira segur jeje
[edit] Memories
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Do you remember this sunshine recorder? Add your memories. |
[edit] In the Science Museum's Records
Inv. Nos: 1908-88, 1894-120