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    LIQUIFACTION OF OXYGEN
    December 22, 1879 - Swiss, French

    The liquefaction of oxygen was announced by Raoul Pierre Pictet (1846-1929), a Swiss chemist and physicist, by sending a telegram to the French Academy: Oxygen liquefied today under 320-atm and 140 degrees of cold by combined use of sulfurous and carbonic acid. French physicist Louis Cailletet made a similar announcement two days later. Pictet's early interest was in ice-making machines. Later, he studied extremely low temperatures and the liquefaction of gases. Both Pictet and Cailletet used both cooling and compression to liquefy oxygen but they achieved this using different techniques. Pictet's method had an advantage in that produced the liquid gas in greater quantity and was easier to apply to other gases.

    ENGLAND BSE INQIRY STARTED
    December 22, 1997 - England,UK

    An independent inquiry into the BSE "disaster" and the devastation it wreaked on British farming has been announced by the government. Included in the Inquiry will be report on the origins and the way in which authorities responded to it and the development of its human equivalent Creutzfeldt Jakob disease, CJD. The results of the inquiry published in October 2000 included Poor enforcement of the 1989 ban on specified bovine offal (brain, spinal cord and other tissue) The government at the time played down the links between BSE-infected beef and variant Creutzfeldt-Jakob Disease (vCJD) The government at the time misled the public about the risks posed by so-called mad cow disease.

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A Brief History Of The Fairground Indust :

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Fairs in this country have a long and ancient history, deeply rooted in tradition. The word fair is derived from the Latin "feria", meaning a holiday and at one time the Romans were credited with the introduction of fairs.

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Fairs in this country have a long and ancient history, deeply rooted in tradition. The word fair is derived from the Latin "feria", meaning a holiday and at one time the Romans were credited with the introduction of fairs. It is now generally accepted that their origins are from pagan customs of the people who first settled this land; their seasonal gatherings held for the purposes of both trade and festivity, contained within them the essential elements of the fair. The Romans did much to promote fairs by improving trade and communications throughout the country. During the centuries following the departure of the Romans, many fairs and other festivals were incorporated into the calendar of the growing Christian Church.

Charters granted by the sovereign gave the fair legal status and an increasing importance in the economic life of the nation. Merchants and traders from Europe, the Middle East and beyond were drawn to the great chartered fairs of the Middle Ages bringing with them a wealth of goods. The sheer number of these fairs, no fewer than 4860 were chartered between the years 1200 and 1400, drew not only merchant but entertainers as well: jugglers, musicians and tumblers the ancestors of today's showmen.
The Black Death of 1348-49 brought about a new kind of fair. In order to stem the rise in wages caused by the shortage of workers, Edward III introduced the Statute of Labourers. This compelled all able bodied men to present themselves annually for hire at a stated wage.

These gathering or hiring fairs were held mainly around Michealmas, the end of the agricultural year. By the early eighteenth century the trading aspects of the charter fairs had waned and most fairs consisted almost entirely of amusements, acrobats, illusionists and theatrical companies all plied their trade on fairgrounds. Around this time the first fairground rides began to appear, small crudely constructed out of wood and propelled by gangs of boys. In 1868, Frederick Savage, a successful agricultural engineer from Kings Lynn, devised a method of driving rides by steam. His invention, a steam engine mounted in the centre of the ride was to transform the fairground industry.

Freed from the limitations of muscle power, rides could be made larger, more capacious and more heavily ornamented. The showman's demand for novelty was matched by the ingenuity of Savage and other engineers. In the wake of the steam revolution an amazing variety of new designs and rides appeared. These rides were the forerunners of today's amazing thrill rides, over time innovations such as electric lighting, electric motors, hydraulics etc. allowed rides to evolve into the amazing devices that are seen today at any local fairground.


Source : PLR

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