Eise Jeltes Eisinga (Dronrijp, 21 February 1744 - Franeker, 27 August 1828) was a Dutch amateur astronomer who built an orrery in his house in Franeker, Netherlands. Dronrijp (Dronryp is a town in the Dutch municipality of Menaldumadeel. Events 362 - Athanasius returns to Alexandria. 1245 - Thomas, the first known Bishop of Finland Year 1744 ( MDCCXLIV) was a Leap year starting on Wednesday (link will display the full calendar of the Gregorian calendar (or a Franeker (Frjentsjer is one of the eleven cities of Friesland and capital of the municipality of Franekeradeel. Events 479 BC - Greco-Persian Wars: Persian forces led by Mardonius are routed by Pausanias, the Spartan The year 1828 ( MDCCCXXVIII) was a Leap year starting on Tuesday (link will display the full calendar of the Gregorian Calendar (or a Leap This article is on the mechanical device For the British peerage see Earl of Orrery. The Netherlands ( Dutch:, ˈnedərlɑnt is the European part of the Kingdom of the Netherlands, which consists of the Netherlands the Netherlands The orrery still exists and is the oldest functioning planetarium in the world. A planetarium is a Theatre built primarily for presenting educational and entertaining shows about Astronomy and the night sky or for training in Celestial navigation
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Biography
Eisinga was the son of a wool carder, Jelte Eises from Oosterlittens and mother Hitje Steffens from Winsum. Carding is the processing of brushing raw or washed Fibers to prepare them as Textiles A large variety of fibers can be carded anything from Dog hair, to Winsum is also a village in the Dutch municipality of Littenseradiel. Although he was moderately gifted, he wasn’t allowed to go to school. When he was only 17 years old he published a book about the principles of astronomy. Eisinga became a wool carder in Franeker, Netherlands, and educated himself in mathematics and astronomy through self-education and at the Franeker Academy. Mathematics is the body of Knowledge and Academic discipline that studies such concepts as Quantity, Structure, Space and The University of Franeker ( 1585 - 1811) was a University in Franeker, West Frisia, presently part of the Netherlands. At the age of 24 he married Pietje Jacobs (? – 24 July 1788) and they had three children, one girl and two boys. Events 1132 - Battle of Nocera between Ranulf II of Alife and Roger II of Sicily. Year 1788 ( MDCCLXXXVIII) was a Leap year starting on Tuesday (link will display the full calendar of the Gregorian calendar (or a Leap
- Trijntje (April 1773 – 26 April 1773)
- Jelte (29 May 1774 – 31 March 1809)
- Jacobus (17 March 1784 – 24 March 1858)
Due to a political crisis in 1787, he had to leave Friesland and went to Germany. Year 1773 ( MDCCLXXIII) was a Common year starting on Friday (link will display the full calendar of the Gregorian calendar (or a Common Events 1467 - The miraculous image in Our Lady of Good Counsel appear in Genazzano, Italy. Year 1773 ( MDCCLXXIII) was a Common year starting on Friday (link will display the full calendar of the Gregorian calendar (or a Common Events 363 - Roman Emperor Julian defeats the Sassanid army in the Battle of Ctesiphon, under the walls of the Year 1774 ( MDCCLXXIV) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Events 307 - After divorcing his wife Minervina, Constantine marries Fausta, the daughter of the retired Roman Emperor Year 1809 ( MDCCCIX) was a Common year starting on Sunday (link will display the full calendar of the Gregorian calendar (or a Common year Events 45 BC - In his last victory Julius Caesar defeats the Pompeian forces of Titus Labienus and Pompey the Younger Year 1784 ( MDCCLXXXIV) was a Leap year starting on Thursday (link will display the full calendar of the Gregorian calendar (or a Leap year Events 1401 - Mongol emperor Timur sacks Damascus. 1603 - James VI of Scotland Year 1858 ( MDCCCLVIII) was a Common year starting on Friday (link will display the full calendar of the Gregorian Calendar (or a Common Later he moved to Visvliet where he worked as a wool comber. He was banned from Friesland for five years and therefore stayed in Visvliet. Meanwhile his wife died, and on 27 May 1792 he married Trijntje Eelkes Sikkema (21 February 1764) in Visvliet. Events 927 - Simeon the Great, Tsar of Bulgaria, dies 1120 - Richard III of Capua is anointed Year 1792 ( MDCCXCII) was a Leap year starting on Sunday (link will display the full calendar of the Gregorian calendar (or a Leap year Events 362 - Athanasius returns to Alexandria. 1245 - Thomas, the first known Bishop of Finland Year 1764 ( MDCCLXIV) was a Leap year starting on Sunday (link will display the full calendar of the Gregorian calendar (or a They had one son and two daughters.
- Eelke (14 October 1793 – 28 May 1795)
- Hittje (16 February 1796 – 8 May 1843)
- Minke (4 June 1798 – 17 July 1870)
In 1795 he returned to Franeker. Events 1066 - Norman Conquest: Battle of Hastings - In England on Senlac Hill seven miles from Hastings, the forces Year 1793 ( MDCCXCIII) was a Common year starting on Tuesday (link will display the full calendar of the Gregorian calendar (or a Common Events 585 BC - A Solar eclipse occurs as predicted by Greek philosopher and scientist Thales, while Alyattes is battling Year 1795 ( MDCCXCV) was a Common year starting on Thursday (link will display the full calendar of the Gregorian calendar (or a Events 1249 - Andrew of Longjumeau is dispatched by Louis IX of France as his ambassador to meet with the Khan of the Mongols Year 1796 ( MDCCXCVI) was a Leap year starting on Friday (link will display the full calendar of the Gregorian calendar (or a Leap year Events 589 - Reccared summons the Third Council of Toledo 1450 - Jack Cade's Rebellion: Kentishmen Year 1843 ( MDCCCXLIII) was a Common year starting on Sunday (link will display the full calendar of the Gregorian Calendar (or a Common Events 781 BC - The first historic Solar eclipse is recorded in China. Year 1798 ( MDCCXCVIII) was a Common year starting on Monday (link will display the full calendar of the Gregorian calendar (or a Events 180 - Twelve inhabitants of Scillium in North Africa are executed for being Christians Year 1870 ( MDCCCLXX) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Common Eisinga became a professor at the Franeker Academy, until in 1811 Napoleon ordered it to be closed. Eisinga died on 27 August 1828, at the age 84. Events 479 BC - Greco-Persian Wars: Persian forces led by Mardonius are routed by Pausanias, the Spartan The year 1828 ( MDCCCXXVIII) was a Leap year starting on Tuesday (link will display the full calendar of the Gregorian Calendar (or a Leap
Orrery
On 8 May 1774 a conjunction of the moon and the planets Mercury, Venus, Mars, Jupiter would appear, Reverend Eelco Alta, from Bozum, Netherlands, published a book in which he predicted that the planets and the moon would collide, with the result that the earth would be pushed out of its orbit and burned by the sun. Events 589 - Reccared summons the Third Council of Toledo 1450 - Jack Cade's Rebellion: Kentishmen Year 1774 ( MDCCLXXIV) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Due to this prediction there was a lot of panic in Friesland. To prove that there was no reason for panic, Eisinga decided to build an orrery in his living room. He expected to finish it within six months and eventually finished it in 1781, 7 years after he started. During the same year Uranus was discovered, but for this planet there was no room on the ceiling of his livingroom, where the orrery was located.
On 30 June 1818 King William I of the Netherlands and Prince Frederik visited the orrery. Events 350 - Roman usurper Nepotianus, of the Constantinian dynasty, is defeated and killed by troops of the Usurper Year 1818 ( MDCCCXVIII) was a Common year starting on Thursday (link will display the full calendar of the Gregorian Calendar (or a Common William Frederick (William I, born Willem Frederik Prins van Oranje-Nassau ( The Hague, 24 August 1772 - Berlin, 12 December 1843 was a Prince of King William I bought the orrery for the Dutch state. In 1859 the orrery was donated by the Dutch state to the city of Franeker.
Further reading
- Havinga, E. ; W. E. van Wijk and J. F. M. G. d'Aumerie (1928). Planetarium-boek: Eise Eisinga (in Dutch). Arnhem: Van Loghum Slaterus.
- Terpstra, Pieter (1994). Wolken en stjerren; roman oer Eise Eisinga (in Frisian). ISBN 90-330-0237-X.
External links
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