vessel-to-frame lock system
1Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …
2rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
3Guard lock — Guard Guard, n. [OF. guarde, F. garde; of German origin; cf. OHG. wart, warto, one who watches, warta a watching, Goth. wardja watchman. See {Guard}, v. t.] [1913 Webster] 1. One who, or that which, guards from injury, danger, exposure, or… …
4Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical …
5Caisson lock — A caisson lock is a type of canal lock in which a narrowboat is enclosed in a sealed box and raised or lowered between two water levels.HistoryIt was first demonstrated at Oakengates on the now lost Shropshire Canal in 1792, where its inventor,… …
6List of National Historic Sites of Canada — This is a complete list of the National Historic Sites of Canada. All such designations are made by the federal Minister of the Environment on the advice of the Historic Sites and Monuments Board of Canada . As of March 2008, there are 935 sites …
7TARDIS — The TARDIS used from 2005 to 2010 on display at BBC Television Centre …
8Song Dynasty — This article is about the Northern and Southern Song Dynasties. For the Southern Dynasty, see Liu Song Dynasty. Song 宋 ← …
9List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
10Container ship — Two container ships pass in San Francisco Bay Class overview Name: Container ship Subclasses: (1) Geared or gearless …
