solar compass
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solar compass — also called Sun Compass, type of navigational instrument that uses the position of the Sun to establish bearing. The solar compass operates somewhat like a sundial. It indicates direction by employing the angle of the shadow cast by the… … Universalium
Solar compass — The solar compass was invented by William Austin Burt; he patented it on February 25, 1836. In the 19th century, the solar compass would be employed for surveying the land, where regular compasses were susceptible to the abundances of minerals… … Wikipedia
Compass Minerals — International, Inc. Type Public Traded as NYSE: CMP Industry Mi … Wikipedia
Compass Centre — The Compass Centre, when it was a British Airways facility Compass Centre is an office building on the grounds of London Heathrow Airport in the London Borough of Hillingdon. The building serves as BAA Limited s head office … Wikipedia
Solar wind — For other uses, see Solar wind (disambiguation). The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 1.5 and 10 keV. The stream of … Wikipedia
Solar tracker — A solar tracker is a device for orienting a solar photovoltaic panel or concentrating solar reflector or lens toward the sun. The sun s position in the sky varies both with the seasons (elevation) and time of day as the sun moves across the sky.… … Wikipedia
Solar Shears — Infobox Album Name = Solar Shears Type = studio Artist = Shooglenifty Released = January 9, 2001 Recorded = Genre = Celtic Length = 44:11 Label = Compass Producer = Jim Sutherland Reviews = * Allmusic Rating|4|5… … Wikipedia
solar attachment — noun : an attachment to a surveyor s transit or compass for determining the true meridian directly from the sun … Useful english dictionary
John S. Hougham — John Scherer Hougham (28 May 1821 – 31 Mar 1894), was Purdue University’s first appointed professor, and acting President between the administrations of Abraham C. Shortridge and Emerson E. White. Hougham first graduated from Wabash College in… … Wikipedia
Lepidoptera migration — Monarch butterfly is the most well known migrant amongst the Lepidoptera … Wikipedia
