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Geodesic & Metric
Fichas del conjunto (9)
- 1The arctic missionAndrews Celsius and Pierre Louis Maupertuis to Meanmaa in Lapland in 1736
- 2Ecuadorian expeditionLeft France 1735 to Columbia, Panama, overland to Pacific, sailed to Ecuador & split into two groups overland through rain forests to Quito arriving June 1736
- 3What’s a Toise?French (and Peruvian) Pre-revolutionary Royal standard measure of Length, area and volume amounting to 6.39436 feet/1.949 meters/2.13435 yards.
- 4Two significant discoveries from equatorial mission having nothing to do with measure?1, rubber
2. Quinine from chinchona tree - 5Who Participated in the French Anglo survey 1784-1790 & then arrested and had instruments seized by the French Republic during the revolution when performing the geodetic measurements between Dunkirk and Barcelona 1792-1798?Pierre Mechain & on the arc measurement he did the Paris to Barcelona part and Jean-Baptistery delambre the Dunkirk to Paris part.
- 6Three leaders of the Peruvian mission?Astronomers
Charles Marie de La Condamine, Pierre Bouguer & Louis Godin
Spanish Geographers Jorge Juan & Antonio Ulloa & accompanied by Lois’ cousin Jean & Naturalist Joseph de Jussieu & topographer Pedro Maldonado - 7How was the metre (meter) determined and defined?One ten millionth of half a meridian (pole to equator) averaged and extrapolated from a flattening (1/334) from the results obtained from all three missions (1739 survey results, together with later findings). La Condamine pushed for Toise, which became Royal standard in Peru in 1766 but ultimately got world to accept meter.
- 81999 125 million dollar loss due to non-standardized measures?Mars climate orbiter
- 9Meridian distance pole to equator is supposed to be ten million, we now know that it’s actually 10,002,290. This means our meter is actually too short by how much?.2 millimeters short, or about the thickness of two pages of a book.
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- Fichas sobre Geodesic & Metric, creado por Dan Anderson el 14/11/2022.
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- Dan Anderson
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