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More about Big Ben –
Big Ben is the nickname for the Great Bell of the clock at the north end of the Palace of Westminster in London, and often extended to refer to the clock and the clock tower. The tower is officially known as the Elizabeth Tower, renamed as such to celebrate the Diamond Jubilee of Elizabeth II (prior to being renamed in 2012 it was known simply as “Clock Tower”). The tower holds the second largest four-faced chiming clock in the world (Minneapolis City Hall having the largest). The tower was completed in 1858 and had its 150th anniversary on 31 May 2009, during which celebratory events took place. The tower has become one of the most prominent symbols of the United Kingdom and is often in the establishing shot of films set in London.
The Elizabeth Tower (previously called the Clock Tower or St Stephen’s Tower), named in tribute to Queen Elizabeth II in her Diamond Jubilee year, more popularly known as Big Ben, was raised as a part of Charles Barry’s design for a new palace, after the old Palace of Westminster was largely destroyed by fire on the night of 16 October 1834. The new Parliament was built in a Neo-gothic style. Although Barry was the chief architect of the Palace, he turned to Augustus Pugin for the design of the clock tower, which resembles earlier Pugin designs, including one for Scarisbrick Hall. The design for the tower was Pugin’s last design before his final descent into madness and death, and Pugin himself wrote, at the time of Barry’s last visit to him to collect the drawings: “I never worked so hard in my life for Mr Barry for tomorrow I render all the designs for finishing his bell tower & it is beautiful.” The tower is designed in Pugin’s celebrated Gothic Revival style, and is 315 feet (96.0 m) high.
The bottom 200 feet (61.0 m) of the tower’s structure consists of brickwork with sand coloured Anston limestone cladding. The remainder of the tower’s height is a framed spire of cast iron. The tower is founded on a 50 feet (15.2 m) square raft, made of 10 feet (3.0 m) thick concrete, at a depth of 13 feet (4.0 m) below ground level. The four clock dials are 180 feet (54.9 m) above ground. The interior volume of the tower is 164,200 cubic feet (4,650 cubic metres).
Despite being one of the world’s most famous tourist attractions, the interior of the tower is not open to overseas visitors, though United Kingdom residents are able to arrange tours (well in advance) through their Member of Parliament. However, the tower has no lift, so those escorted must climb the 334 limestone stairs to the top.
Due to changes in ground conditions since construction, the tower leans slightly to the north-west, by roughly 230 millimetres (9.1 in) over 55 m height, giving an inclination of approximately 1/240. This includes a planned maximum of 22 mm increased tilt due to tunnelling for the Jubilee line extension. Due to thermal effects it oscillates annually by a few millimetres east and west.
Journalists during Queen Victoria’s reign called it St Stephen’s Tower. As MPs originally sat at St Stephen’s Hall, these journalists referred to anything related to the House of Commons as news from “St. Stephens” (The Palace of Westminster contains a feature called St Stephen’s Tower, a smaller tower over the public entrance). The usage persists in Welsh, where the Westminster district, and Parliament by extension, is known as San Steffan.
On 2 June 2012, The Daily Telegraph reported that 331 Members of Parliament, including senior members of all three main parties, supported a proposal to change the name from Clock Tower to “Elizabeth Tower” in tribute to the Queen in her Diamond Jubilee year. This is thought to be appropriate because the large west tower now known as Victoria Tower was renamed in tribute to Queen Victoria on her Diamond Jubilee. On 26 June, the House of Commons confirmed that the name change could go ahead. The Prime Minister, David Cameron, announced the change of name on 12 September 2012, at the start of Prime Minister’s Questions. The change was marked by a naming ceremony in which the Speaker of the House of Commons, John Bercow, unveiled a name plaque attached to the tower on Speaker’s Green.