• Thumbnail for Schiehallion experiment
    56.66778°N 4.09778°W / 56.66778; -4.09778 The Schiehallion experiment was an 18th-century experiment to determine the mean density of the Earth. Funded...
    32 KB (3,693 words) - 13:13, 27 January 2025
  • Thumbnail for Schiehallion
    Munro. Schiehallion has a rich flora, interesting folklore and archaeology, and a unique place in scientific history for an 18th-century experiment in "weighing...
    13 KB (1,390 words) - 21:46, 13 May 2025
  • Thumbnail for Earth mass
    the correct value) in the Schiehallion experiment in the 1770s, and within 1% of the modern value in the Cavendish experiment of 1798. The mass of Earth...
    31 KB (3,693 words) - 06:54, 19 April 2025
  • Thumbnail for Nevil Maskelyne
    Condamine having attempted the same experiment in 1738 in the Andes. Maskelyne performed his experiment in 1774 on Schiehallion in Perthshire, Scotland, the...
    21 KB (2,138 words) - 02:39, 15 December 2024
  • Thumbnail for Cavendish experiment
    first proposed by Charles Hutton based on his analysis of the 1774 Schiehallion experiment. Cavendish's result of 5.4 g·cm−3, 23% bigger than Hutton's, is...
    22 KB (2,530 words) - 22:23, 29 April 2025
  • of the Earth for the first time. Known as the Schiehallion experiment (1774) Inclined plane experiment (1602–07): Galileo Galilei uses rolling balls to...
    20 KB (2,423 words) - 15:50, 31 March 2025
  • Thumbnail for Hollow Earth
    Hollow Earth (category Thought experiments)
    Pierre Bouguer in 1740, then definitively by Charles Hutton in his Schiehallion experiment around 1774. It was still occasionally defended through the mid-19th...
    40 KB (5,119 words) - 05:26, 11 May 2025
  • Thumbnail for Gravitational constant
    56 g⋅cm−3. Cavendish's experiment proved to result in more reliable measurements than pendulum experiments of the "Schiehallion" (deflection) type or "Peruvian"...
    45 KB (5,215 words) - 20:33, 14 May 2025
  • Thumbnail for Charles Hutton
    earth from Nevil Maskelyne's measurements collected during the Schiehallion experiment. Hutton was born on Percy Street in Newcastle upon Tyne in the...
    12 KB (1,318 words) - 01:40, 23 February 2024
  • Thumbnail for Mason–Dixon line
    the summer of 1773. Mason selected Schiehallion at which to conduct what became known as the Schiehallion experiment, which was carried out primarily by...
    51 KB (5,873 words) - 18:35, 5 May 2025
  • time. Known as the Schiehallion experiment. 1796 – Edward Jenner: tests the first vaccine. 1798 – Henry Cavendish: Torsion bar experiment to measure Newton's...
    10 KB (1,130 words) - 21:38, 20 February 2025
  • Thumbnail for Vertical deflection
    Vertical deflections were used to measure Earth's density in the Schiehallion experiment. Vertical deflection is the reason why modern prime meridian passes...
    13 KB (1,446 words) - 07:38, 16 April 2025
  • Thumbnail for Contour line
    theoretically by Ducarla in 1771, and Charles Hutton used them in the Schiehallion experiment. In 1791, a map of France by J. L. Dupain-Triel used contour lines...
    38 KB (4,492 words) - 15:59, 1 April 2025
  • Thumbnail for Pierre Bouguer
    Croisic; see Works by Jean Fréour. List of geophysicists Radiodrome Schiehallion experiment "August 15, 1758: Death of Pierre Bouguer". APS News. American...
    9 KB (1,038 words) - 08:10, 5 March 2025
  • Thumbnail for List of Scottish inventions and discoveries
    Earth: Nevil Maskelyne conducted the Schiehallion experiment conducted at the Scottish mountain of Schiehallion, Perthshire 1774 The first isolation of...
    62 KB (6,566 words) - 17:42, 30 March 2025
  • Thumbnail for John Playfair
    acquaintance he had first made in the course of the celebrated Schiehallion experiments in 1774, he also gained access to the scientific circles of London...
    15 KB (1,531 words) - 00:47, 3 February 2025
  • Thumbnail for Timeline of Solar System astronomy
    Australis. 1775 – Charles Hutton, based on his analysis of the Schiehallion experiment, shows the Earth has a density of at least 4,500 kg·m−3 and suggests...
    128 KB (13,395 words) - 18:19, 14 May 2025
  • in Japan, the first modern anatomy textbook produced there. The Schiehallion experiment is carried out by Nevil Maskelyne to determine the mean density...
    7 KB (632 words) - 16:49, 16 June 2024
  • Royal, at the Royal Greenwich Observatory, and was involved in the Schiehallion experiment. He later conducted research in India, teaching himself Sanskrit...
    13 KB (1,595 words) - 02:22, 7 December 2024
  • 1774, Maskelyne was confirming Newton's theory of gravitation at and on Schiehallion mountain in Scotland, and he needed to measure elevations on the mountain's...
    23 KB (2,435 words) - 20:58, 11 February 2025
  • separate condenser. 1774 - Schiehallion experiment experiment to weigh the planet 1774 - Joseph Priestley’s breakthrough experiments on gases. 1784 - The 18th...
    8 KB (335 words) - 11:35, 4 September 2023
  • Schaefer–Bergmann diffraction Scharnhorst effect Scherk–Schwarz mechanism Schiehallion experiment Schlieren Schlieren imaging Schlieren photography Schmidt corrector...
    32 KB (3,248 words) - 12:19, 30 July 2024
  • on the site that will become St Peter's Church, Aberdeen. The Schiehallion experiment is carried by Nevil Maskelyne out to determine the mean density...
    4 KB (342 words) - 09:46, 30 May 2024
  • Thumbnail for Geology of Scotland
    mass of the Earth in a ground-breaking experiment carried out in 1774. Following Maskelyne's survey, Schiehallion became the first mountain to be mapped...
    45 KB (5,465 words) - 20:29, 4 May 2025
  • Maskelyne, N. (1775). "An Account of Observations Made on the Mountain Schiehallion for Finding Its Attraction". Phil. Trans. Royal Soc. 65 (0): 500–542...
    17 KB (2,140 words) - 17:36, 20 April 2025
  • Thumbnail for John MacCulloch
    for a repetition of the pendulum experiments previously conducted by Nevil Maskelyne and John Playfair at Schiehallion, and on the deviations of the plumb-line...
    10 KB (1,186 words) - 00:02, 9 August 2024
  • Thumbnail for John Pratt (archdeacon of Calcutta)
    the mass of the mountains (based on density estimated in 1772 at Mount Schiehallion in Scotland) but the observed deviations were much less. He propounded...
    18 KB (2,284 words) - 17:38, 20 March 2022
  • Thumbnail for BP
    North Sea into four development projects including the Clair, Devenick, Schiehallion and Loyal, and Kinnoull oilfields. BP is the operator of the Clair oilfield...
    282 KB (27,006 words) - 22:50, 16 May 2025