An Introduction to Practical Astronomy

283,27 

An Introduction to Practical Astronomy: Volume 2, Part 0 Containing Descriptions of the Various Instruments that Have Been Usefully Employed in Determining the Places of the Heavenly Bodies Autor: William Pearson


Although astronomical guides were available in the early nineteenth century, they tended to come from continental presses and were rarely in English. This two-volume work by the clergyman and astronomer William Pearson (1767â??1847) aimed, with brilliant success, to compile data from extant sources into one of the first English practical guides to astronomy. Most of the tables were updated and improved versions, and some were wholly reconstructed to streamline the calculation processes. Sir John Herschel dubbed it 'one of the most important and extensive works on that subject which has ever issued from the press', and for his efforts Pearson was awarded the gold medal of the Astronomical Society

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An Introduction to Practical Astronomy: Volume 2, Part 0 Containing Descriptions of the Various Instruments that Have Been Usefully Employed in Determining the Places of the Heavenly Bodies Autor: William Pearson


Although astronomical guides were available in the early nineteenth century, they tended to come from continental presses and were rarely in English. This two-volume work by the clergyman and astronomer William Pearson (1767â??1847) aimed, with brilliant success, to compile data from extant sources into one of the first English practical guides to astronomy. Most of the tables were updated and improved versions, and some were wholly reconstructed to streamline the calculation processes. Sir John Herschel dubbed it ‚one of the most important and extensive works on that subject which has ever issued from the press’, and for his efforts Pearson was awarded the gold medal of the Astronomical Society. First published in 1829, Volume 2 provides full descriptions of a range of astronomical instruments, alongside instructions for their use and some pertinent equations and tables. In the history of science, Pearson’s work reflects the contemporary challenges of celestial study.


Spis treści: 1. Preliminary remarks 2. On the situation, structure, and furniture of an observatory 3. Rotative dome 4. Refracting telescopes with celestial eye-pieces 5. Diagonal eye-pieces 6. Celestial eye-pieces with variable powers 7. Erect eye-pieces 8. A popular explanation of the achromatism of the refracting telescope 9. Stands for achromatic telescopes 10. Equatorial or parallatic stands 11. The construction and use of the dynameter 12. The Dorpat refracting telescope 13. On reflecting telescopes 14. Stands for reflecting telescopes 15. The Herschelian forty feet reflector 16. Herschelian telescope as constructed by Ramage 17. On the space-penetrating powers of telescopes 18. An historical account of the different methods of measuring small celestial arcs 19. Spider’s-line micrometer 20. Other methods of determining the value of a screw 21. Micrometrical scale with a constant magnifying power 22. On the different methods of illuminating the lines in the eye-piece of a telescope 23. A new polymetric reticle 24. Reticulated diaphragms 25. Circular and annular micrometers 26. La Caille’s method 27. Smeaton’s method 28. Dollond’s object-glass micrometer 29. Experimental determination of the focal length and errors of a divided object-lens 30. Dollond’s improved object-glass micrometer 31. Dioptric micrometers 32. Dioptric micrometer by T. Jones 33. The divided eye-lens micrometer 34. Ramsden’s catoptric micrometer 35. Dr Maskylene’s prismatic micrometer 36. The cuneiform micrometer 37. Rochon’s crystal micrometer 38. Methods of determining the constant angle of a doubly refracting prism of rock crystal 39. The ocular crystal micrometer 40. The spherical crystal micrometer 41. Brewster’s micrometrical telescope 42. The lamp-micrometer 43. Binocular spider’s-line and glass-disc micrometers 44. On the use of position micrometers 45. Comparison of several micrometers 46. On clamps and tangent screws 47. On the vernier 48. On the reading microscope 49. On the plumb-line 50. On the spirit-level 51. On artificial horizons 52. On Flamsteed’s and La Caile’s methods of observing 53. On the transit clock 54. The transit instrument 55. A portable transit-instrument 56. Directions for the examination and adjustment of a transit-instrument 57. To determine the exact place for a meridian mark 58. On the errors of the transit-instrument in connexion with a clock or chronometer 59. The Moscow transit-instrument 60. The Greenwich transit-instrument 61. Observing and registering transits 62. Reduction of observed transits into mean right ascensions 63. On the correction of right ascension common to all stars 64. Transit-circle by Troughton 65. Reduction of the apparent zenith distance to the mean polar distance 66. Ramsden’s altitude and azimuth circular instrument 67. The Westbury altitude and azimuth circle 68. The South Kilworth altitude and azimuth circle 69. The collimator 70. On the uses of a portable altitude and azimuth circular instrument 71. A new portable altitude, azimuth and zenith instrument 72. The Greenwich mural circle Chs. 72-104 Plates.


dla: academic researchers, graduate students

isbn 9781108064064
stron 776
Data publikacji 05/09/2013
51 b/w illus.
Paperback 297 x 210 mm

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