翻訳と辞書
Words near each other
・ Florent Raimy
・ Florent Ribet
・ Florent Robidoux
・ Florent Rondelé
・ Florent Rouamba
・ Florent Sauvadet
・ Florent Schmitt
・ Florent Sejdiu
・ Florent Serra
・ Florent Sinama Pongolle
・ Florent Stevance
・ Florent Troillet
・ Florent van Aubel
・ Florent Zitte
・ Florent-en-Argonne
Florent-Jean de Vallière
・ Florentia
・ Florentia (1821 ship)
・ Florentia Sale
・ Florentiamyidae
・ Florentijn Hofman
・ Florentin
・ Florentin Banu
・ Florentin Crihălmeanu
・ Florentin Cruceru
・ Florentin Dumitru
・ Florentin Matei
・ Florentin of Isenburg-Kempenich
・ Florentin Petre
・ Florentin Pham


Dictionary Lists
翻訳と辞書 辞書検索 [ 開発暫定版 ]
スポンサード リンク

Florent-Jean de Vallière : ウィキペディア英語版
Florent-Jean de Vallière

Jean-Florent de Vallière (7 September 1667 – 7 January 1759) was a French artillery officer of the 18th century. He was lieutenant-general of the King's Armies. In 1726, de Vallière became Director-General of the Battalions and Schools of the Artillery.
Through the Royal Ordonnance of October 7, 1732, de Vallière endeavoured to reorganize and standardize the King's artillery. He significantly improved the method used for founding cannons, superseding the technique developed by Jean-Jacques Keller. He thus developed the de Vallière system,〔''A Dictionary of Military History and the Art of War'' By André Corvisier, p.837 ()〕 which set the standard for French artillery until the advent of the Gribeauval system.
==De Vallière system==

Whereas numerous formats and designs had been in place in the French army, de Vallière standardized the French sizes in artillery pieces, by allowing only for the production of 24 (Canon de 24), 12, 8 and 4 pound guns (the weight is the weight of the cannonballs), mortars of 12 and 8 French inches, and stone-throwing mortars of 15 French inches.〔
The French pound weighting 1.097 English pounds, the French guns fired slightly heavier balls (13.164 pounds) than their English equivalent 12-pounder.〔(History.navy.mil )〕 The French inch was 2.707 cm, slightly longer than the English inch of 2.54 cm.〔Chartrand, p.2〕
The de Vallière system used core drilling of the bore of cannons founded in one piece of bronze, a method developed at that time by Jean Maritz, which allowed for much higher precision of the bore shape and surface, and therefore higher shooting efficiency.
The de Valliere guns were also highly decorative and contained numerous designs and inscriptions.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Florent-Jean de Vallière」の詳細全文を読む



スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース

Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.