Turkish Artuqid dynasty 50 ingenious mechanical devices, developed segmental gears, mechanical controls, escapement mechanisms, clocks, robotics etc. Protocols for designing and manufacturing methods RENAISSANCE ERA First electrical engineer: William Gilbert First steam engine, 1698, Thomas Savery, rise to the industrial revolution, mass production Rise of engineering as a profession, 18th century Mechanicals arts, incorporated into engineering MODERN ERA Electral engineering, origins in the experiments of Alessandro Volta, 19th century Invention of the electric motor, 1872 Work of James Maxwell and Heinrich Hertz, 19th century, field of Electornics Chemical engineering, developed in 19th century 1990, rise of computer technology, first search engine, computer engineer Alan Emtage PHASES Pre-scientific revolution Industrial revolution
its main components. There have been many improvements to this system over the years, including variable ride firmness (Hydractive) and active control of body roll (Citroën Activa). The latest incarnation features a simplified single pump-accumulator sphere combination. The system had one key negative impact on the inventor, Citroën - only specialist garages were qualified to work on the cars - making them seem radically different from ordinary cars with common mechanicals. Auto manufacturers are still trying to catch up with the combination of features offered by this 1955 suspension system, typically by adding layers of complexity to an ordinary steel spring mechanical system Air Suspension. Air suspension is a type of vehicle suspension powered by an engine driven or electric air pump or compressor. This pump pressurizes the air, using compressed air as a spring. Air suspension replaces conventional steel springs
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