《經略三關奏議 卷一》葺墩堡

 






评论

  1. 键史精神病2025年4月3日 19:09

    原始链接https://www.douban.com/note/770799999/?_i=3732580L4Myqlb

    回复删除

发表评论

此博客中的热门博文

Bronze Guns (cannons) Glossary

  Part IV of The Bronze Guns of Leutze Park The terms which appear here are defined in the sense in which they apply to bronze ordnance. They were also used with iron smoothbore weapons; many are still used, in the same or in different senses, with modern ordnance. Cross-references to other terms defined here are indicated by italics . Astragal. Small, convex, half-round molding, usually found with a fillet on one or both sides. Moldings of this kind are thought to be vestigial traces of the iron bands originally shrunk around the first wrought-iron gun tubes. Their forms, as well as the terms to identify them, were, for the most part, borrowed from architecture. Bore . The interior of a gun barrel, from the chamber forward to the muzzle. Breech . The portion of a gun tube from the rear end of the chamber aft to the cascabel . Breech Face . Also called Base of Breech ; the rearward-facing portion of the gun tube between the breech ring and the knob of the cascabel . Breech Rin...
阅读全文