Pierre-Louis Guinand
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Pierre-Louis Guinand | |
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 Lithograph by Étienne-Ovide Domon (1844) | |
| Born | 20 April 1748 |
| Died | 13 February 1824 (aged 75) Les Brenets, Canton of Neuchâtel |
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Pierre-Louis Guinand (1748–1824) was a Swiss lens maker.[1][2][3][4][5][6][7][8][9][10][11][12] who in the late 1700s came up with a breakthrough for making better quality and larger glass, and in time went on to teach a young Fraunhofer at Joseph von Utzschneider's (1763-1840[13]) glassworks, and eventually started his own optical glass works.[14] Guinand would supply glass for the Paris Observatory telescopes and also Cauchoix.[14] He was a pioneer in the manufacture of optical glass for microscopes, telescopes, glasses and other optical instruments.
See also
[edit]References
[edit]- ^ "The precursors: Pierre-Louis Guinand". Swiss Camera Museum.
- ^ King (1979), pp. 176–9.
- ^ D. P (1925). "Le Centaire de Pierre-Louis Guinand". L'Astronomie. 39. Astrophysics Data System: 177. Bibcode:1925LAstr..39..177D. Retrieved 18 December 2021.
- ^ "MEMOIR OF THE LATE M. GUINAND". Mechanics Magazine. 3. 1824–1825. Retrieved 18 December 2021.
- ^ Johnson, Kevin L. (7 February 2002). "Historical challenge of large lenses". In Bingham, Richard G; Walker, David D (eds.). Large Lenses and Prisms. Proceedings of the SPIE. Vol. 4411. p. 147. Bibcode:2002SPIE.4411..147J. doi:10.1117/12.454883. S2CID 140636136.
- ^ Rastogi, Pramod K. (1 July 1995). "Guest Editorial: Special Section on Optics in Switzerland, Part 1: Federal Institutes of Technology". Optical Engineering. 34 (7): 1863. doi:10.1117/12.214186.
One of the first Swiss known to have endeavored in optics production, Pierre-Louis Guinand (1748—1824) was an amateur telescope maker. He was born in La Sagne in the state of Neuchâtel. As good quality flint glass was difficult to obtain at the time, Guinand put himself to the task of producing it. After painstaking searches and trials, he succeeded in producing flawless flint glass of large dimensions.
- ^ Reynier, Édouard (1824). "Notice sur feu M. Guinand, opticien". Bibliothèque Universelle des Sciences, Belles Lettres, et Arts (in French). 25 (9). Geneva, Paris: Bibliotheque Universelle: 142–158, 227–236. Retrieved 18 December 2021.
- ^ "Golden Era of Refractors". A Cosmic Journey: A History of Scientific Cosmology. Center for History of Physics, American Institute of Physics. Retrieved 18 December 2021.
Between 1784 and 1790, Pierre Louis Guinand, a Swiss craftsman, taught himself the basic skills of glassmaking and began to experiment with optical glass.
- ^ VIAF 101522483
- ^ "Guinand l'Opticien (1748 - 1824) aux Brenets: Exposition Guinand l'Opticien - Les Brenets". FPSI - Fédération du Patrimoine Scientifique et Industriel. 9 May 2016. Archived from the original on 9 May 2016. Retrieved 18 December 2021.
- ^ "Optical glass". Conservation and Art Materials Encyclopedia Online. Museum of Fine Arts, Boston. Retrieved 18 December 2021.
- ^ "the lens". The Craig Telescope. Society for the History of Astronomy. Retrieved 18 December 2021.
Methods of making large disks of flint glass were discovered in the late 18th century by Pierre Louis Guinand (1748–1824), a Swiss optician, who became associated with the German optician and physicist Joseph von Fraunhofer.
- ^ "Utzschneider und Fraunhofer". Science Museum Group Collection. Retrieved 12 November 2023.
- ^ a b King, Henry C. (2003-01-01). The History of the Telescope. Courier Corporation. ISBN 9780486432656.
Bibliography
[edit]- King, Henry C. (1979). The History of the Telescope. New York, NY: Dover Publications, Inc. pp. 176–9, 188–9, 191–2, 196, 204, 252. ISBN 978-0-486-23893-7.
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