Read e-book online Engineers PDF

By Andrea Beaty

ISBN-10: 0756692644

ISBN-13: 9780756692643

From the earliest engineers comparable to Archimedes and Hero of Alexandria, heroes of the economic Revolution like Eli Whitney and Alessandro Volta, and pioneers of the trendy Age with Henry Ford and Wernher von Braun, Engineers appears at greater than 80 of the world's maximum engineers — who they have been, what they did, and the way their tasks formed the process human historical past.

The simply publication to add engineers from each period of human background and all disciplines of engineering — from civil engineering to area flight — Engineers comprises unique drawings and in particular commissioned images to assist light up the tales in the back of the nice milestones of engineering.

From aqueducts to bridges, monuments to structures, and engines to movies, Engineers will entice readers of every age who're attracted to the facility of the pioneering mind.

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Such as automata and musical machines, were As Islamic cities prospered, simply for the amusement of their patrons. their rulers encouraged the Another important stimulus to scientific hakim in their scientific research came from Islam itself—practice of research. This is in stark the religion relied on accurate timekeeping contrast to the way in and calendars, and it was essential for which the Christian church worshippers to know the direction of Mecca. ” encouraged progress in other fields. These 51 SETTING THE SCENE • The Bayt al-Hikma is set up in Baghdad in 762 as a center for scholarship.

The device employed a mechanical wooden figure linked by a gear to the cart’s wheel. The figure would strike a drum after every li, a distance of 1,640ft (500m) traveled, and a gong after every 10 li. Zhang is also said to have re-invented the “South Pointing Chariot”—a non-magnet compass made up of a two-wheeled chariot that had differential gears, which meant that the compass constantly pointed to the south, no matter how far or in which direction it traveled. Although many of Zhang’s inventions were forgotten after his death, he was held in high esteem among his successors.

PHILO OF BYZANTIUM GREECE 350–320bce The 3rd-century BCE engineer Philo (also known as Philo Mechanicus) wrote an encyclopedic work on general mechanics, including sections on pneumatics and automata, but only the parts on pneumatics and those concerned with siege engines, artillery, and fortresses have survived. Philo listed a variety of military catapults, with improvements such as bronze plates in place of sinews to increase the tension, and therefore the range of the bolts. He also described an automatic catapult, with arrows fired automatically by a winching device.

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Engineers by Andrea Beaty

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