How Started S.I Units:
The History:
Old Anglos Saxon Measurement process was responsible for invention of
Imperial Unit process. The units were ordinary types. Units were made up on the
basis of measurement system of that age. For example- hand of a human being had
recognised as unit of length. The problem was length of hands varies in
different persons. So, actual measurement could not be derived. There were
errors all day long. Measurements were different in different hand as well as
different places. In first phase of the twenty century there were two processes
of measurement. One was Imperial method and other is Metric method. Imperial
method was running in the British Empire. English speaking countries, including
the United Sates, preferred Imperial method. Metric method belonged to France
and other European countries and their associated countries, including
colonies. At present the whole world follow the Metric process
Old Types of Units:
At olden days there was peculiar
fashion of units. Breadth length of a thumb supposed to be one inch. Distance
between starting of nose of King Edgar to end point of his middle finger (when
completely stretch) was recognised as one yard. Those days one acre suggested
the quantity of land could be cultivated by a pair of bulls with help of the
plough. In other way, Mile oriented from the army related subject, Army of
Rome, Italy. They thought one Mile measured as 1000 footsteps of a soldier that
was near about of 1618 yards. Due to lots of disparity of footsteps, one
standard Mile measured as 1760 yards.
Unit Systems:
The
mentioned units are the father of weight measurement and responsible for
invention of Imperial Unit System. At present units are not like olden days,
those are calculated sharply and with accuracy. Some of them are complex in
nature in arithmetic calculation but give accurate result in both occasions –
bigger units and smaller units.
The units
are decided after lots of judiciousness. This process is called Metric process
and it first started in 1790 in France, then it covered many other countries in
Europe thanks to great emperor Napoleon Bonaparte. In France a new unit of
length discovered, that called ‘Meter’. A fraction of 1/10000000 of one/fourth
of the middle line of the Earth measured as 1 meter. Unit of weight in ‘Metric’
system is ‘Kilogram which is equal to weight of one cubic decimetre of water.
Volume of one cubic decimetre water is one ‘Litre’.
The Organisations:
At olden days there were many
units of same things. So in respect to organise common units of those there
were a meeting held in France. It was in 1870. That was the first ever meeting
base on units. In the year of 1875 another gathering in Paris, France brought
an agreement called ‘Treaty of the Meter’. According to this agreement set up
an institution – ‘International Bureau of Weights and Measures’. It was decided
that this organisation would meet to make new units and new definition. In
1889, a new definition had invented of ‘Meter’ and ‘Kilogram’ on basis of
re-measurement of a rod made by an alloy of metals like Platinum and Iridium.
The rod had been preserved in a room in Paris. Later, many suggestions and new
thinking added to the institution. In 1954, ‘Weights and Measurement’ organised
meeting gave approval of a new types of ‘Metric System’ which is rather easy to
use in international prospectus. In 1960 this new system received a name –
‘System International De Units’ or International System of Units, in short S.I.
Unit.
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