![]() The government than appointed a committee ( 1838) to oversee the construction of new standards of a yet more modern nature. Less than ten years later, in October 1834, the Houses of Parliament burned down, destroying both of Bird's yards. All length measures were to be based on it. This act declared the yard Bird made in 1760 to be the prototype of the imperial yard. Suggesting various standards, culminating in the act establishing imperial There followed a succession of committees making various recommendations and At the request of a successor committee, Bird made a second, similar, yard standard in 1760. None of the Carysfort Committee's recommendations were acted upon. Bird, an instrument maker, and deposited with the Clerk of the House of Commons. The standard was duly made in 1758 by a Mr. Standard to an even more modern design, taking its length from the “E” line on the Royal Society bar. ![]() 41, and on the advice of experts decided to make a bad standards” but approved of the more modern design of They rejected Elizabeth's standards as “very coarsely The country's weights and measures, and set up a 63-member committee under LordĬarysfort to do so. 41.Ībout a decade later the government itself decided to look into the status of ![]() This bar is known as Royal Society bar No. The E length turned out to be 0.0075 inch longer than the EXCH length. The following year the Society decided to compare a number of the existing yard measures, and in the process of doing this the length of Elizabeth's yard was engraved on the third line and marked “EXCH” (for Exchequer). The bars were then sent to the French, who marked off the length of half a toise on one of the other lines, labeled it “F,” kept one bar and sent the other back. The length of the yard, taken from a yard measure made in 1720 that was based on that of Elizabeth I, was marked off on one of the lines and labeled “E” (for English). To accomplish this, two identical brass bars were made and ruled lengthwise with three lines. In 1742, the Royal Society in London arranged an exchange of standards with the Royal Academy of Sciences in Paris. Then the emergence of new science and technologies (in iron and textiles, for example) began to create an awareness of the possible effect of “high-tech” measurement on national well-being. Although it was broken and repaired sometime between 17, it is only about 0.01 inch shorter than today's yard.įrom Elizabeth I to the 18ᵗʰ century not much was done about the British standards of length and mass, because not much needed to be done. The yard is the distance between the ends of the bar. It consists of an iron bar with a square cross section, about ½ inch on a side. The yard standard of Elizabeth I, made in 1588, is still in existence and may be seen in the Science Museum in London. The expression “by the King's iron rod,” referring to the yard, appears frequently in the records. On 20 November 1196, Richard I proclaimed an Assize of Measures, and afterwards had yard standards in the form of iron rods distributed throughout the country. The yard was in the keeping of the guilds that dealt in cloth. The story is not just a legend–William's descriptions of contemporary events are reliable–but William does not say this was the origin of the yard it existed before Henry I was born. In his Chronicles William of Malmesbury ( 1095 – 1143?) tells how the “false yard” was corrected by referring it to the length of King Henry I's arm. Used for commodities like concrete and soil. It was formerly ( before 15ᵗʰ century - ) also subdivided in a binary fashion, mainly by clothmakers, the chief divisions being 4 quarters and 16 nails (nayles).įor earlier values of the yard, see the history sections below. Since at least the 12ᵗʰ century the yard has been subdivided into 3 feet and 36 inches. The yard is the basic pre-metric unit of length in the English-speaking world, since 1959 in the United States and since 1963 in the United Kingdom exactly equal to 0.9144 meter (see international yard). history of the yard in the United States.Convert cubic yards to other major units of volume. ![]()
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