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	William Lassell - Wikipedia, the free encyclopedia
		William Lassell (June 18, 1799 – October 5, 1880) was a British astronomer, born in Bolton, Greater Manchester, England.
		When Queen Victoria visited Liverpool in 1851, Lassell was the only local she specifically requested to meet.
		Lassell crater on the Moon, a crater on Mars and a ring of Neptune were named in his honor.
	en.wikipedia.org /wiki/William_Lassell (239 words)

	Encyclopedia: Triton (moon)
		William Lassell (June 18, 1799 â€“; October 5, 1880) was a British astronomer, born in Bolton, Greater Manchester, England.
		It is perhaps strange that Lassell, the discoverer, did not see fit to name his own discovery, since he gave names a few years later to his subsequent discoveries of an eighth moon of Saturn (Hyperion), and of the third and fourth moons of Uranus (Ariel and Umbriel).
		In Greek mythology, Triton is the son of Poseidon and Amphitrite, the personification of the roaring waters, represented as having the upper body of a human and the tail of a fish.
	www.nationmaster.com /encyclopedia/Triton-(moon) (2759 words)

	William Lassell
		Lassell was on familiar terms with all the leading astronomers of his age.
		Lassell met his future wife through friendship with her brothers, who were also keen amateur astronomers.
		William Lassell (1799-1880) and the discovery of Triton, 1846 by Allan Chapman.
	www.mikeoates.org /lassell/lassell_inbrief.htm (868 words)

	William Lassell (1799-1880) and the discovery of Triton, 1846
		William Lassell, therefore, far from being thought of as a part time amateur, very rapidly moved with, and was accepted by, the official establishment of British Astronomy.
		Lassell's boast, more over, was not an empty one, for in 1995, the original mirror, which is preserved in Liverpool Museum, was optically tested, and found to be accurate to within a fraction of a wavelength of light.
		Lassell was enchanted by the high ecliptic latitude, mild climate, and unbroken succession of transparent night skies on this Mediterranean island, and one can understand how his English colleagues felt twinges of envy as they received his letters during that winter.
	www.mikeoates.org /lassell/lassell_by_a_chapman.htm (2516 words)

	Ariel (moon) - Wikipedia, the free encyclopedia
		Ariel (air'-ee-ul) is a moon of Uranus discovered on 1851-10-24 by William Lassell.
		The name "Ariel" and the names of all four satellites of Uranus then known were suggested by John Herschel in 1852 at the request of Lassell ([1]).
		Lassell had earlier endorsed Herschel's 1847 naming scheme for the seven then-known satellites of Saturn and had named his newly-discovered eighth satellite Hyperion in accordance with Herschel's naming scheme in 1848.
	en.wikipedia.org /wiki/Ariel_(moon) (225 words)

	William Lassell (Site not responding. Last check: 2007-10-21)
		William Lassell (1799-1880) and the discovery of Triton, 1846.
		It was on this day 150 years ago that William Lassell first saw a point of light next to the newly discovered planet "Le Verrier", or Neptune as it was to be later known, Lassell thought it was satellite, but it took many months before this could be confirmed.
		Attending the celebrations were some 20 descendants of William Lassell, brought together for this occasion with the help of Gerard Gilligan of the Liverpool Astronomical Society.
	www.mikeoates.org /lassell/home.htm (202 words)

	Charles Edwin Inc. - Antique longcase clocks (Site not responding. Last check: 2007-10-21)
		Movement: William Lassel's four pillar brass and steel movement is eight days' duration, with anchor recoil escapement and hourly rack striking on a single bell.
		Loomes lists William Lassell as practicing in Toxteth Park, Liverpool from 1758 to 1790, correcting an earlier entry in Baillie of 1770-1807.
		William succeeded his father Thurston Lassell, a maker of clocks and tools for clockmakers, in business.
	www.charles-edwin.com /clocks/lassell.htm (388 words)

	Lassell (Lunar crater) - Slider (Site not responding. Last check: 2007-10-21)
		Lassell is a small lunar crater that is located in the eastern part of the Mare Nubium.
		The interior of Lassell crater has been flooded and resurfaced by lava, leaving a nearly flat surface with a low remaining outer rim.
		The tiny crater 'Lassell D' is located to the west-northwest of Lassell, about half way toward the ruined Guericke crater.
	enc.slider.com /Enc/Lassell_%28Lunar_crater%29 (204 words)

	William Lassell -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-21)
		William Lassell (June 18 1799 – October 5 1880) was a British (A physicist who studies astronomy) astronomer.
		He made his fortune as a beer (The owner or manager of a brewery) brewer, which enabled him to indulge his interest in (The branch of physics that studies celestial bodies and the universe as a whole) astronomy.
		When (Queen of Great Britain and Ireland and empress of India from 1837 to 1901 (1819-1901)) Queen Victoria visited Liverpool in 1851, Lassell was the only local she specifically requested to meet.
	www.absoluteastronomy.com /encyclopedia/W/Wi/William_Lassell.htm (336 words)

	Why William Lassell did not discover Neptune
		William Lassell and 'the accident of a maid-servant's carelessness'
		Jane Lassell responded on June 9: 'Your letter of the 9th of May last correctly states the incident you refer to, whereby the honour of the discovery of Neptune was lost to England.
		Lassell and Dawes were very close friends, and in regular correspondence; it is known, for instance, that in February 1846 Lassell stayed at Cranbrook, Kent, about 40 miles southeast of London, where Dawes had settled in a country house not far from Sir John Herschel.
	www.mikeoates.org /lassell/r-baum.htm (2312 words)

	Lassell, William (1799-1880)
		Born in Bolton, Lancashire, Lassell was a successful brewer before turning to astronomy.
		In 1845 he completed a 24-inch (0.6-m) reflector, which was the first sizeable reflector on an equatorial mount, and used it to discover Neptune's largest moon - just 17 days after Neptune itself was found.
		Lassell also discovered Hyperion and the crêpe ring of Saturn, independently of William Bond.
	www.daviddarling.info /encyclopedia/L/Lassell.html (223 words)

	Ariel (moon) - Open Encyclopedia (Site not responding. Last check: 2007-10-21)
		Ariel ("AIR ee uhl") is a moon of Uranus discovered in 1851 by William Lassell.
		The name "Ariel" and the names of all four satellites of Uranus then known were suggested by John Herschel in 1852 at the request of Lassell[1].
		The first close-up observations of Ariel were made by the space probe Voyager 2 during its January 1986 Uranus fly-by.
	www.open-encyclopedia.com /Ariel_%28moon%29 (210 words)

	B & L Rootenberg Rare Books: Featured Catalogue: Millennium One -- Autographs & Manuscripts (Site not responding. Last check: 2007-10-21)
		The English astronomer William Lassell was a fellow and between 1870-72 president of the Royal Astronomical Society, as well as a member of the Royal Society, where in 1858 he was awarded the Royal Medal.
		He was the first to invent and design machines for surfacing mirrors of speculum metal in which the movement of the polisher closely initiated the circular motion used in polishing by hand, and was the first to apply Fraunhofer's equatorial mounting to large reflecting telescopes.
		Lassell's observations, which are of great interest and value, are noted, including that the path is on a scale of 34,954 millions of miles to 2 feet.
	www.rootenbergbooks.com /list6.htm (1644 words)

	william_lassell (Site not responding. Last check: 2007-10-21)
		William Lassell (June 18, 1799 - October 5, 1880) Born in Bolton, died in Maidenhead.
		William Lassell, Toxteth Park English clock case and furniture designs in the mid-to-late 18th century were strongly influenced by the publication of Thomas Chippendale's book of...
		LASSELL, WILLIAM William Lassell was an amateur English astronomer (a brewer by trade) who discovered Triton, the largest moon of...
	william_lassell.networklive.org (284 words)

	William Lassell - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-10-21)
		Craters on Mars and on the Moon, and a ring of Neptune, were named in his honor.
		Astronomical Instruments and Their Users: Tycho Brahe to William Lassell (Collected Studies, Cs 530.)
		Description of a machine for polishing specula: With directions for its use : together with Remarks upon the art of casting and grinding specula, and a...
	encyclopedia.worldsearch.com /william_lassell.htm (254 words)

	Lassell, William (Site not responding. Last check: 2007-10-21)
		William Lassell was an amateur astronomer, who made his fortune as a brewer.
		Lassell ground and polished it himself to give a 20 foot (F10) focal length mirror of superb quality.
		Lassell built a 48" telescope (1855) and used it ini Malta, which he chose for clearer skies (1861-5), and where he made fresh discoveries in the Trapezium of the Orion Nebula.
	www.cartage.org.lb /en/themes/Biographies/MainBiographies/L/lassell/Lass.html (275 words)

	People in Astronomy
		At the observatory, he studied Saturn and (with William Lassell) discovered its moon Hyperion.
		Lassell discovered Neptune's largest satellite, Triton and (with William Cranch Bond) discovered Saturn's moon Hyperion.
		La Verrier's prediction of the position of an undiscovered planet (Neptune) that caused perturbations in the orbit of Uranus was the first to be confirmed (by Johann Gottfried Galle).
	www.solarviews.com /french/people.htm (957 words)

	William Lassell (Site not responding. Last check: 2007-10-21)
		Lassell ging na zijn studie werken als bierbrouwer en zijn carrière in de biersector was er een met louter succes.
		Lassell besloot daarom om met zijn 24-inch telescoop naar het kleine eiland Malta te gaan, midden in de Middellandse zee.
		William Lassell heeft daar in de winter van 1852-1853 gewerkt, en vond daar de baan van Neptunus.
	anw.hml.nl /Werkstukken/Koen_Elzerman_en_Auke_Weekenborg/Lassell (918 words)

	Astronomers-Zoom Astronomy Glossary
		Sir William Herschel (1738-1822) was a British astronomer and organist who built an improved reflecting telescope and used it to discover the planet Uranus (March 13, 1781) and moons of Uranus and of Saturn.
		Lord Kelvin, William Thompson (1824 - 1907) designed the Kelvin temperature scale in which 0 K is defined as absolute zero and the size of one unit is the same as the size of one degree Celsius.
		William Lassell was an amateur English astronomer (a brewer by trade) who discovered Triton, the largest moon of Neptune (in 1846) and Ariel, the brightest moon of Uranus in 1851.
	www.allaboutspace.com /subjects/astronomy/glossary/Astronomers.shtml (6017 words)

	[No title]
		Lassell's casting techniques and alloys were similar to Rosse's and successful up to 1.22 m (4 feet) at f/9.2.
		Lassell, erroneously, believed that the lever arms had to be kept horizontal.
		Lassell's error arose from unfamiliarity with the new equatorial mount.
	astron.berkeley.edu /~jrg/MIDDLE (2254 words)

	William Lassell - Wikipedia
		William Lassell (18 giugno 1799 - 5 ottobre 1880) fu un astronomo britannico.
		Fece fortuna come fabbricante di birra, e ciò gli permise di coltivare il suo interesse per l'astronomia.
		Quando la Regina Victoria visitò Liverpool nel 1851, Lassell fu l'unico residente che richiese esplicitamente di incontrare.
	it.wikipedia.org /wiki/William_Lassell (204 words)

	William Lassell - Wikipédia
		William Lassell (18 juin 1799 — 5 octobre 1880) était un astronome anglais.
		Il a notamment découvert Triton, le plus gros satellite de Neptune en 1846, Hypérion, satellite de Saturne en 1848 en collaboration avec Bond, ainsi que Ariel et Umbriel, satellites d'Uranus en 1851.
		L'astéroïde 2636 Lassell a été nommé en son honneur.
	fr.wikipedia.org /wiki/William_Lassell (104 words)

	Chapter 2—Part 2
		During the previous edge-on apparition of Saturn in the fall of 1848, two observers, William Lassell in England, using an excellent 24-inch reflector of his own construction, and George Phillips Bond in Cambridge, Massachusetts, using a Merz 15-inch refractor, independently announced having detected the presence of what appeared to be a new moon orbiting Saturn.
		Lassell, a brewer by profession, but a serious amateur astronomer by avocation, was a veteran satellite discoverer.
		William Huggins, "On the Disappearance of the Spectrum of E Piscium at its Occultation of January 4th, 1865," Monthly Notices of the Royal Astronomical Society 25 (1865): 60-2.
	eee.uci.edu /clients/bjbecker/huggins/ch2b.html (6759 words)

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