Charles Chevalier and the Story of a Lens Legacy
The Chevalier family reigned supreme in creating optics. After all, they made the first useful achromatic objectives used in microscopes. Charles Louis Chevalier, son of renowned optician Jacques-Louis-Vincent, followed his father's footsteps but eventually stepped out of his shadow.
The George Eastman House writes:
In he quarreled with his father because he felt that he was being inadequately recompensated for his services and his valuable inventions. Thereupon with many regrets, a wife and little else, he left the family home on the Quai d'Horloge, Paris, and set up his own establishment in a shop at the Palais-Royal, Galerie de Valois, No.
Chevalier was always fascinated with the daguerreotype invention. He and his family knew Niepce and Daguerre for quite a long time, and naturally, Niepce and Daguerre turned to Charles to invent a specific lens for the Daguerre-Giroux cameras.
Daguerre wanted a lens that could cover a sizable angular field. Chevalier immediately thought of W.H. Wollaston's lens (). But there was a bit of the "Chevalier touch" to the lens he patterned after Wollaston's.
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Charles Chevalier (abt. - abt. )
Biography
Charles Chevalier dit La Tourasse was a sergeant of the garrison at Port-Royal and ensign of the Marine. He married Catherine Bugaret around He died in an ambush around 9 October [1]
"LA TOURASSE, CHARLES (known. as Chevalier), sergeant in the French garrison at Port-Royal in Acadia, temporary English commandant there, –3; ensign in the company of Claude-Sébastien de Villieu, in Acadia; d.
In the spring of Sir William Phips captured Port-Royal (Annapolis Royal, N.S.) and the French governor of Acadia, Louis-Alexandre Des Friches de Menneval. Phips himself remained at Port-Royal only for 10 or 12 days after its capitulation. Before he left it, however, he assembled as many of the inhabitants as he could and had them take the oath of allegiance to William and Mary. Then for the preservation of peace at Port-Royal, pending the arrival of a governor from Boston, Phips constituted a council, of which La Tourasse was appointed president, and the remaining members were six other leading inhabitants, one of whom was Alexandre Le Borgne de Belle-Isle. La Tourasse continued as English commandant at Port-Royal for some time, with the a
ARSACDE TERNAY, CHARLES-HENRI-LOUIS D’, naval officer; b. 27 Jan. , probably at Angers, France, son of Charles-François d’Arsac, Marquis de Ternay, and Louise Lefebvre de Laubrière; d. 15 Dec. on board the Duc de Bourgogne in the roads of Newport, R.I.
Charles-Henri-Louis d’Arsac de Ternay was admitted to the Knights of Malta as a page to the grand master on 12 Dec. , when he was not yet 15 years old. In October he joined the midshipmen’s corps at Toulon, France; on 10 Oct. he was appointed sub-corporal, and on 1 Jan. sub-lieutenant. He lived in Malta from to before becoming a lieutenant-commander at Toulon in February On 10 Jan. he attained the rank of captain and took command of the Robuste at Brest.
The surrender of Montreal in September had virtually ended the French presence in North America. The war continued in Europe, however, and the Duc de Choiseul, the minister of War, Marine, and Colonies, attempted to harass the British on the oceans as well as overseas. At the end of he worked out a wide-ranging plan of action aimed at intercepting the British fishing vessels on the Grand Banks the following year, and even
LATOURASSE, CHARLES(known as Chevalier), sergeant in the French garrison at Port-Royal in Acadia, temporary English commandant there, –3; ensign in the company of Claude-Sébastien de Villieu*, in Acadia; d.
In the spring of Sir William Phips captured Port-Royal (Annapolis Royal, N.S.) and the French governor of Acadia, Louis-Alexandre Des Friches* de Menneval. Phips himself remained at Port-Royal only for 10 or 12 days after its capitulation. Before he left it, however, he assembled as many of the inhabitants as he could and had them take the oath of allegiance to William and Mary. Then for the preservation of peace at Port-Royal, pending the arrival of a governor from Boston, Phips constituted a council, of which La Tourasse was appointed president, and the remaining members were six other leading inhabitants, one of whom was Alexandre Le Borgne de Belle-Isle. La Tourasse continued as English commandant at Port-Royal for some time, with the approval of Joseph Robinau de Villebon, a military officer who returned from France to Acadia in June The English did not establish a garrison at Port-Royal. Villebon attributed their failure to d
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