1829 in science

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The year 1829 in science and technology involved some significant events, listed below.

Chemistry

Peter Gustav Lejeune Dirichlet publishes a memoir giving the Dirichlet conditions, showing for which functions the convergence of the Fourier series holds; introducing Dirichlet's test for the convergence of series; the Dirichlet function as an example that not any function is integrable; and, in the proof of the theorem for the Fourier series, the Dirichlet kernel and Dirichlet integral.[1] He also introduces a general modern concept for a function.[2]
Nikolai Ivanovich Lobachevsky publishes his work on hyperbolic non-Euclidean geometry.[3]
S. D. Poisson publishes Sur l'attraction des sphéroides.

Jules Desnoyers names the Quaternary period.
Philippe-Charles Schmerling discovers a Neandertal fossil, the partial cranium of a small child.

May – Cyrill Demian patents a version of the accordion in Vienna.
June 30 – Henry Robinson Palmer files a British patent application for corrugated iron for use in buildings.[5]
July 23 – In the United States, William Burt obtains the first patent for a form of typewriter, the typographer.[6]
October 6–14 – The Rainhill Trials, a steam locomotive competition, are run in England and won by Stephenson's Rocket.
December 19 – Charles Wheatstone patents the concertina in Britain.
Louis Braille publishes the first description of his method of embossed printing that allows the visually impaired to read.[7]

Chalmers University of Technology founded in Gothenburg, Sweden.
Technical University of Denmark (originally named 'College of Advanced Technology') founded in Copenhagen, Denmark.
University of Stuttgart founded in Stuttgart, Germany.
Ecole Centrale Paris (originally named 'École Centrale des Arts et Manufactures') founded in Paris, France.

February 2
- Alfred Brehm (died 1884), German zoologist.
- William Stanley (died 1909), English inventor.
March 23 – N. R. Pogson (died 1891 in science), English-born astronomer.
April 28 – Charles Bourseul (died 1912), Belgian-born telegraph engineer.
April 30 – Ferdinand von Hochstetter (died 1884), German-born geologist.
August 13 (O.S. August 1) – Ivan Sechenov (died 1905), "the father of Russian physiology".
August 23 – Moritz Cantor (died 1920), German historian of mathematics.
August 24 - Emanuella Carlbeck (died 1901), Swedish pioneer in the education of students with intellectual disability.
September 7 – August Kekulé (died 1896), German chemist.
September 30
- Franz Reuleaux (died 1905), German mechanical engineer.
- Joseph Wolstenholme (died 1891), English mathematician.
October 15 - Asaph Hall (died 1907), American astronomer.
November 4 - Hanna Hammarström (died 1909), Swedish inventor.

Bressoud, David M. (2007). A radical approach to real analysis (2nd ed.). [Washington, D.C.]: Mathematical Association of America. pp. 218–227. ISBN 978-0-88385-747-2.
Elstrodt, Jürgen (2007). "The Life and Work of Gustav Lejeune Dirichlet (1805–1859)" (PDF). Clay Mathematics Proceedings. 7. Retrieved 2011-10-20.
Crilly, Tony (2007). 50 Mathematical Ideas you really need to know. London: Quercus. pp. 108–111. ISBN 978-1-84724-008-8.
Radomski, Teresa (2005). "Manuel García (1805–1906): a bicentenary reflection" (PDF). Australian Voice. 11: 25–41. Retrieved 2012-02-07.
Thomson, Nick (2011). Corrugated Iron Buildings. Oxford: Shire Publications. pp. 7–8. ISBN 978-0-7478-0783-4.
U.S. Patent 5581X.
Procédé pour écrire les Paroles, la Musique et le Plain-chant au moyen de points, à l'usage des Aveugles et disposés pour eux. Paris.

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