Английская Википедия:Giuseppe Campani

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Шаблон:Short description Шаблон:Infobox person Giuseppe Campani (1635–July 28, 1715)Шаблон:Sfn was an Italian optician and astronomer who lived in Rome during the latter half of the 17th century.

Life

Файл:Campani, Giuseppe – Ragguaglio di due nuove osservazioni una celeste in ordine alla stella di Saturno; e terrestre l'altra in ordine a gl'istrumenti medesimi, co' quali s'e fatta l'una e l'altra osservazione , 1664 – BEIC 1235271.jpg
Ragguaglio di due nuove osservazioni una celeste in ordine alla stella di Saturno; e terrestre l'altra in ordine a gl'istrumenti medesimi, co' quali s'e fatta l'una e l'altra osservazione, 1664

Giuseppe Campani was born in 1635.Шаблон:Sfn He was an Umbrian from Castel San Felice near Spoleto. His lenses and telescopes, made in Rome, were sent as far as Florence and Paris.Шаблон:Sfn Campani was known as the best maker of optical instruments of his age.Шаблон:Sfn His brother, Matteo Campani-Alimenis, and he were experts in grinding and polishing lenses, especially for very long focal length aerial telescope objectives.Шаблон:Sfn His brother is also noted as a mechanician for his work on clocks. He was a priest in charge of a parish in Rome.

Louis XIV of France ordered several long-focus lenses (86, 100, 136 feet respectively) for the astronomer Giovanni Domenico Cassini.Шаблон:Citation needed With these Cassini found several moons of the planet Saturn, among other discoveries.Шаблон:Sfn Constantijn Huygens, Jr., brother of Christiaan Huygens, acquired one of Campani's telescopes. While in London in 1689 he ordered a new tube for the instrument from the instrument maker John Marshall.Шаблон:Sfn

Astronomer

Campani made many observations himself. Cassini called his attention to the spots on Jupiter, and he disputed with Eustachio Divini, an Italian optician, the priority of their discovery. His astronomical observations and his descriptions of his telescopes are detailed in the following papers: Ragguaglio di due nuovi osservazioni, una celeste in ordine alla stella di Saturno, e terrestre l'altra in ordine agl' instrumenti (Rome, 1664, and again in 1665); Lettere di G. C. al sig. Giovanni Domenico Cassini intorno alle ombre delle stelle Medicee nel volto di Giove, ed altri nuovi fenomeni celesti scoperti co' suoi occhiali (Rome, 1666).

Instruments

Campani's entire workshop was donated to the Gabinetto di Fisica of the Academy of Sciences of Bologna Institute in 1747.Шаблон:Sfn His telescopes were Шаблон:Convert in length. A Шаблон:Convert telescope by Campani was tested in 1871 and was found to provide good definition and a flat field, with a magnification of about 20 times.Шаблон:Sfn A tripod compound monocular microscope made by Campani is held in the Billings microscope collection at Walter Reed Army Medical Center in Washington, D.C.Шаблон:Sfn

Works

References

Citations

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Sources

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Further reading

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