hydraulic bronze

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• Hydraulic hooklift hoist — PRESSURE FLOW Hydraulic Oil Pressure = Capacity All hooklift hoists are preset, at the factory, to achieve intended lifting capacity. Turning up the system s pressure will increase lifting capacity, but adjusting or tampering with hoist s… …   Wikipedia

• Incan engineers — Hydraulic EngineeringThe builders of Machu Picchu planned and built impressive waterworks in their city centers, including canals, fountains, drainage systems and expansive irrigation. Machu Picchu’s infrastructure and water supply system have… …   Wikipedia

• List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …   Wikipedia

• Song Dynasty — This article is about the Northern and Southern Song Dynasties. For the Southern Dynasty, see Liu Song Dynasty. Song 宋 ← …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• Zhou Dynasty — For other uses, see Zhou Dynasty (disambiguation). Zhou Dynasty 周朝 Kingdom ← …   Wikipedia

• Han Dynasty — 漢朝 ← 206 BCE–220 CE …   Wikipedia

• Leonardo da Vinci — /lee euh nahr doh deuh vin chee, lay /; It. /le aw nahrdd daw dah veen chee/. 1452 1519, Italian painter, sculptor, architect, musician, engineer, mathematician, and scientist. * * * born April 15, 1452, Anchiano, Republic of Florence died May 2 …   Universalium

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born …   Wikipedia

• Prosthesis — For other uses, see Prosthesis (disambiguation). Not to be confused with Orthotic. A man with two prosthetic arms playing table football …   Wikipedia