Nauticalia Radiometer, Blue Base, 20cm
$43.80
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$43.80
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by hasur-hasur.com
Free 30-day returns Details
Product details
| Management number | 214417021 | Release Date | 2026/04/12 | List Price | $17.52 | Model Number | 214417021 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
These curious and mesmerising instruments measure the power of electromagnetic radiation. Made from a glass bulb with much of the air removed to form a partial vacuum, inside is a set of fine metal vanes, each with one dark and one light side, mounted on a spindle. The vanes rotate, as if by magic, when exposed to sunlight, artificial light, or infrared radiation (even the heat of a hand nearby can be enough) – the more intense the light, the faster the rotation.
- Measures the power of electromagnetic radiation
- Fine metal vanes inside turn, as if by magic, when exposed to the light
- Made of glass
- Measures 20cm tall
- From Nauticalia, specialists in nautical gifts and accessories since 1974
| Item Weight | 5.4 ounces |
|---|---|
| Item model number | 7688 |
| Batteries required | No |
| Package Dimensions | 9.84 x 3.94 x 3.94 inches |
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