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- Aethrioscope abstract "An aethrioscope (or æthrioscope) is a meteorological device invented by Sir John Leslie in 1818 for measuring the chilling effect of a clear sky. The name is from the Greek word for clear - αίθριος.It consists of a metallic cup standing upon a tall hollow pedestal, with a differential thermometer placed so that one of its bulbs is in the focus of the paraboloid formed by the cavity of the cup. The interior of the cup is highly polished and is kept covered by a plate of metal, being opened when an observation is made. The second bulb is always screened from the sky and so is not affected by the radiative effect of the clear sky, the action of which is concentrated upon the first bulb. The contraction of the air in the second bulb by its sudden exposure to a clear sky causes the liquid in the stem to rise.The device will respond in a contrary fashion when exposed to heat radiation and so may be used as a pyrometer too.".
- Aethrioscope thumbnail Aethrioscope.png?width=300.
- Aethrioscope wikiPageID "35650011".
- Aethrioscope wikiPageRevisionID "493059361".
- Aethrioscope hasPhotoCollection Aethrioscope.
- Aethrioscope subject Category:Thermometers.
- Aethrioscope type Artifact100021939.
- Aethrioscope type Device103183080.
- Aethrioscope type Instrument103574816.
- Aethrioscope type Instrumentality103575240.
- Aethrioscope type MeasuringInstrument103733925.
- Aethrioscope type Object100002684.
- Aethrioscope type PhysicalEntity100001930.
- Aethrioscope type Thermometer104421872.
- Aethrioscope type Thermometers.
- Aethrioscope type Whole100003553.
- Aethrioscope comment "An aethrioscope (or æthrioscope) is a meteorological device invented by Sir John Leslie in 1818 for measuring the chilling effect of a clear sky. The name is from the Greek word for clear - αίθριος.It consists of a metallic cup standing upon a tall hollow pedestal, with a differential thermometer placed so that one of its bulbs is in the focus of the paraboloid formed by the cavity of the cup.".
- Aethrioscope label "Aethrioscope".
- Aethrioscope sameAs m.0jkvpf6.
- Aethrioscope sameAs Q4688732.
- Aethrioscope sameAs Q4688732.
- Aethrioscope sameAs Aethrioscope.
- Aethrioscope wasDerivedFrom Aethrioscope?oldid=493059361.
- Aethrioscope depiction Aethrioscope.png.
- Aethrioscope isPrimaryTopicOf Aethrioscope.