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Home > All Images > 2005 > February > 18 Feb 2005

Images Dated 18th February 2005

Choose from 99 pictures in our Images Dated 18th February 2005 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Measuring water levels Featured 18 Feb 2005 Image

Measuring water levels

Water level recorder in a river, being adjusted by a scientist. It uses float activation of a gearing assembly to move a pen across a chart drum. The chart drum is driven by a spring-wound clock. Depending on the application and choice of clock cycle, instruments can be left unattended for up to one month of continuous recording of water level variations. Recording of water levels can help monitor the relationship to rainfall and the amounts of sunlight. Action can also be taken if the water levels are dangerously high or low


Artwork of Hubble Space Telescope and Eagle Nebula Featured 18 Feb 2005 Image

Artwork of Hubble Space Telescope and Eagle Nebula

Hubble Space Telescope. Artwork of the Hubble Space Telescope (HST) in Earth orbit, facing the giant gas and dust pillars of the Eagle Nebula (M16). This spectacular nebula image of star formation was taken by the HST. Reflected on the telescope is Earth's blue atmosphere, water and clouds. Two solar arrays (rectangular) that power the HST are seen. The telescope has a 2.4 metre primary mirror and makes observations at ultra- violet, optical and infrared wavelengths. Unaffec- ted by the Earth's atmosphere, HST images are 10 times more detailed than from ground telescopes. Fingers emerging from pillars of the Nebula contain dense regions which are stars being born


Anemometer Featured 18 Feb 2005 Image


Dines anemometer in a weather hut during winter. An anemometer records wind speed and direction, but this one also records variations in wind force, and the strength and frequency of gusts. The part of the anemometer exposed to the wind is on top of the hut (not seen) and is connected to this recording apparatus by the thin rod at upper right. The black dial gives wind directions in degrees. The carefully weighted recording arms have several pens to trace measurements on the paper on the slowly rotating cylinder (centre left). The single upper pen records wind velocity, and the lower (twin) pens record wind direction. This is a Dines Pressure Tube Anemograph Mark II, manufactured by Munro