Tyer
Tyer is a surname. Notable people with this surname include: * Edward Tyer (1830–1912), English railway engineer * Mac Tyer (or Socrate Petnga, born 1979), French rapper * Norma Tyer (born 1928), Australian composer Other * Tyer's Electric Train Tablet, devised by Edward Tyer See also * Tyers (other) * Tyre (other) Tyre most often refers to: * Tire, the outer part of a wheel * Tyre, Lebanon, a Mediterranean city Tyre or Tyres may also refer to: Other places Lebanon * Tyre District * See of Tyre, a Christian diocese *Tyre Hippodrome, a UNESCO World Heritag ...

Tyer's Electric Train Tablet
Tyer's Electric Train Tablet system is a form of railway signalling for single line railways used in several countries; it was first devised in Great Britain by engineer Edward Tyer after the Thorpe rail accident of 1874, which left 21 people dead. It was used in New Zealand for close to 100 years until June 1994. The system used a hard disk called a ''tablet'', a form of token. The purpose of the system was to use the tablet as a physical guarantee to the traincrew that their train had exclusive right of way on the single-line section. Without it, they could not proceed beyond the section signal which protected entry to the next section of the single line. With advances in electrical locking of the lever frame within the signal box, the tablet instrument also electrically locked the section signal lever. That was marked with a white stripe on the red background. Construction An instrument was placed at each end of the single-track section that they were to control. They ...
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Mac Tyer
Socrate Petteng (born April 23, 1979), better known as Mac Tyer (), is a French rapper of Cameroonian descent, from Aubervilliers, Île-de-France The Île-de-France (, ; literally "Isle of France") is the most populous of the eighteen regions of France. Centred on the capital Paris, it is located in the north-central part of the country and often called the ''Région parisienne'' (; en, Pa .... He is also known as Monsieur Socrate or mononym Socrate. He was also member of Perestroika, a rap/hip hop trio made up of Mac Tyer, Mac Kregor (real name Makenzy Guerrier), also from Aubervilliers, France but of Haitian descent and Dontcha. The band was formed in 1999, and active initially for one year, with very rare appearances later on. With Dontcha opting to continue on a solo career, Mac Tyer and Mac Kregor turned it into a rap duo renaming it Tandem in 2000. Tandem remained active until 2014, although its members also released solo albums of their own. Tandem was signed at various ...
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Norma Tyer
Norma Phyllis Tyer (born 23 April 1928) was an Australian composer who wrote orchestral, choral, electronic and chamber music. Education and career Tyer was born in Sydney. In 1960, she was one of two students (the other was Ann Carr-Boyd) to graduate from the University of Sydney with a Bachelor of Music Degree. She worked as the managing editor of ''Music Now'' for four years, and taught music in public schools and at the University of Sydney. Tyer received the Frank Albert Post Graduate Traveling Scholarship in 1971 as well as a German scholarship for a course in new music at Darmstadt. This enabled her to spend 15 months studying in Europe, where her teachers included Vinko Globokar, Mauricio Kagel, Gyorgy Ligeti, Dieter Schnebel, Karlheinz Stockhausen, Christian Wolff, and Iannis Xenakis. She attended the Dartington International Summer School to study with Harrison Birtwistle and Morton Feldman, and work in the electronics studio. Tyer then earned an M.A. in the analysi ...
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Tyers (other)
Tyers may refer to: People * Jonathan Tyers (1702–1767), owner of Vauxhall Gardens and the Denbies estate * Charles Tyers (1806–1870), explorer of Australia * J.H. Tyers, English swimmer dominant in 1890s * Kathy Tyers (born 1952), American author Places * Tyers, Victoria, a small town in Australia named after Charles Tyers. * Tyers River, river in West Gippsland, Victoria, Australia * Mount Tyers, a low peak of Mount Baw Baw Mount Baw Baw is a mountain summit on the Baw-Baw Plateau of the Great Dividing Range, located in Victoria, Australia. The name is from the Woiwurrung language spoken by Eastern Kulin people. It is of uncertain meaning, but possibly signifies, ...

Edward Tyer
Edward Tyer (6 February 1830 - 25 December 1912) was an English railway engineer who developed the Tyer's Electric Train Tablet system widely used in the 19th and 20th centuries on single-track railways. He devised it after the Thorpe rail accident of 1874, which left 21 people dead.''Derail: Why Trains Crash'' by Nicholas Faith, page 44, publ 2000 by Channel 4 Channel 4 is a British free-to-air public broadcast television network operated by the state-owned enterprise, state-owned Channel Four Television Corporation. It began its transmission on 2 November 1982 and was established to provide a four ... books, . He was also an astronomer. See also * References (Edward Tyer on Luxembourgish Wikipedia) 1830 births 1912 deaths British railway pioneers English electrical engineers British railway civil engineers 19th-century British engineers British astronomers {{UK-bio-stub ...
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