An Encyclopedia of the History of Technology (Routledge by Ian McNeil

By Ian McNeil

On hand for the 1st time in paperback, this quantity contains twenty-two chapters via foreign specialists protecting the whole historical past of expertise from humankind's earliest use of stone instruments to the exploration of area. Written basically and with no pointless jargon, every one bankruptcy lines the improvement of its topic from earliest occasions to the current day, stressing the social context and its position in clinical thought.
* Usefully drawn with over a hundred and fifty tables, drawings and photographs
* finished indexes of names and subjects
* crucial analyzing for lecturers and scholars within the background and Philosophy of technological know-how and expertise, business background and Archaeology.

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It was left to Thomas Newcomen, re-introducing the cylinder and piston but now of 21 inches diameter, to build the first practical steam pumping engine near Dudley Castle in Staffordshire (see Figure 6). It made twelve strokes a minute lifting at each stroke 10 gallons of water 51 yards. Newcomen died in 1729, but engines of this type continued to be made until the early years of the nineteenth century. At least 1047 are recorded as having been built including those in France, Hungary, Sweden, Spain, Belgium and Germany.

It was, if not a royal burial place, a royal memorial; no body was found, although there were signs of a coffin. A helmet, a sword of gold with garnet fittings, a battle axe, a spear, silver and bronze bowls, a gold buckle or reliquary, intricately worked and patterned, a purse of Merovingian coins, silver-mounted drinking horns, spoons and jewellery were among the buried treasure. 8cm (1 in) planks for sailing or rowing by thirty-six men. 6 knots) when fully manned. 5cm wide ribs at 9ocm centres but 45 cm apart near the stern, where a steering oar or rudder had been fixed.

He pursued these goals for much of his long life, but unfortunately he was ahead of his time. His machines were purely mechanical and the precision needed in their manufacture was almost beyond even such an excellent craftsman as he employed— Joseph Clement. He died a disillusioned man, but left behind him thousands of drawings that contain the basic principles upon which modern computers are built. Gears, cams and ratchets could not do what transistors or even the diode valve was capable of. The computer had to wait for the age of electronics.

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