Leaf spring — Originally called laminated or carriage spring , a leaf spring is a simple form of spring, commonly used for the suspension in wheeled vehicles. It is also one of the oldest forms of springing, dating back to medieval times.Sometimes referred to… … Wikipedia
AGRICULTURAL LAND-MANAGEMENT METHODS AND IMPLEMENTS IN ANCIENT EREẒ ISRAEL — Ereẓ Israel is a small country with a topographically fragmented territory, each geographical region having a distinctive character of its own. These regions include: the coastal plain, the lowlands, the hilly country, the inland valleys, the… … Encyclopedia of Judaism
Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) … Wikipedia
Mesoamerican ballgame — Ballcourt at Monte Alban … Wikipedia
Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… … Wikipedia
List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have … Wikipedia
Motorcycle fork — 1968 BMW R60US with conventional telescopic fork Unusual trailing bottom … Wikipedia
Jerusalem (Before A.D. 71) — • This article deals with the destruction by the Romans after it had become the scene of the Redemption Catholic Encyclopedia. Kevin Knight. 2006. Jerusalem (Before A.D. 71) Jerusalem (Before A.D. 71) … Catholic encyclopedia
military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… … Universalium
Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… … Universalium
Undercarriage — This article is about aircraft landing gear. For the Devin the Dude album, see Landing Gear. Undercarriage Undercarriage of a Boeing 777 300 … Wikipedia