By Ian McNeil
* 22 sections conceal the total box of the heritage of expertise and every part summarises the advance of its topic from the earliest occasions to the current day* Written with no pointless jargon* 2 broad indexes of Names and issues* Usefully illustrated with a hundred and fifty black & white photos and line drawings to provide an explanation for key advances`Contain[s] an unlimited quantity of trustworthy info over a truly extensive box. it's definitely a piece of which I shall myself make common use ... it merits to discover a spot ... in each reference library.' - occasions greater schooling Supplement`The assurance is superb ... a most respected single-volume resource which for its comprehensiveness and straightforwardness of reference will earn its position in either professional and normal reference collections.' - Reference Reviews`Informative and finished, impressive in its insurance ... covers each point of expertise from the Stone Age to the gap Age ... will absolutely aid readers to get a grip on and think of a big diversity of topics ... a useful and useful addition to most department bookshelves or libraries.' - New Civil Engineer`The authors represented during this e-book are to be congratulated for his or her readable and trustworthy surveys of the prior and current prestige of the key components the place mankind has harnessed technological know-how for the construction of necessary items and processes.' - selection
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Additional info for An Encyclopaedia of the History of Technology
The former was a special-purpose calculating machine, the latter a universal or multi-purpose calculator. 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.
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. A variety of iron fastenings had been used in the construction—rib nails, keel plate spikes, steerage frame bolts, gunwhale spikes and keel scarf nails and thole pins to form rowlocks for the oars. Once in place, these were clenched over, after iron roves or diamond-shaped washers had been placed over the shanks of the various fittings. The long axes of the roves were all placed fore and aft in the vessel.
The Rainhill Trials were the highlight of the opening of the railway age over much of which George Stephenson and his son Robert presided unchallenged until in 1838 the young Isambard Kingdom Brunel began to build his broad-gauge Great Western Railway. Steam also took to the seas over the same period (see Chapter 10). William Symington built a steamboat for Lord Dundas to run on the Forth & Clyde Canal in 1802 and this was followed by Henry Bell’s Comet working between Glasgow and Helensburgh on the Clyde in 1812.