Big Ben

Big Ben. The iconic nickname for the Great Bell of the Palace of Westminster's clock tower, one of the most famous landmarks in the world. While commonly used to refer to the entire Elizabeth Tower, the clock, and the bell, the name strictly belongs to the largest bell within the belfry. It is a global symbol of the United Kingdom and its democracy, renowned for its accuracy and resonant chimes marking the hour across London.

History and construction

The need for a new clock tower arose after the original Palace of Westminster was largely destroyed by fire in 1834. The reconstruction was overseen by architects Charles Barry and Augustus Pugin, with Barry designing the overall Houses of Parliament complex and Pugin creating the intricate Gothic details of the tower. Construction began in 1843 under the direction of the project's chief engineer, Sir Benjamin Hall, whose name is popularly believed to be the source of the bell's nickname. The tower structure was completed in 1858, built by the firm Messrs. Grissell and Peto. The first bell, cast at Whitechapel Bell Foundry, cracked during testing in 1857, leading to the recasting of the current Great Bell and the installation of a lighter hammer. The clock mechanism, designed by lawyer and amateur horologist Edmund Beckett Denison in collaboration with clockmaker Edward John Dent, became operational in 1859.

Architecture and design

The tower is a masterpiece of Gothic Revival architecture, standing 316 feet tall. Its design by Augustus Pugin features intricate stonework, including spires, tracery, and ornamental shields. The structure is built from Anston limestone and Yorkshire sandstone, with a cast-iron spire and roof. Key architectural elements include the Ayrton Light, installed in 1885 at the request of Queen Victoria's Prime Minister, William Ewart Gladstone, to signal when Parliament is sitting. The tower's base houses a small prison cell, once used for incarcerating MPs found in breach of parliamentary rules. Its design harmonizes with the broader Perpendicular Gothic style of the Palace of Westminster, creating a cohesive silhouette on the River Thames skyline.

The clock and bells

The Great Clock, designed by Edmund Beckett Denison and George Airy, the Astronomer Royal, is renowned for its exceptional reliability. Its mechanism uses a double three-legged gravity escapement, an innovation that isolates the clock's pendulum from external pressures like wind on the hands. The clock faces, made of opalescent glass, are each 23 feet in diameter. The belfry houses a quarter-chime of four smaller bells, which play the Westminster Quarters melody, and the 13.5-ton Great Bell. The famous hourly strike, broadcast globally by the BBC, is produced by the Great Bell's hammer. Regular winding, originally manual but now electric, and constant monitoring by the UK Parliament's clock mechanics ensure its famed accuracy.

Cultural significance and events

Big Ben is an enduring national symbol, its chimes synonymous with British tradition and resilience. It has been a focal point during major national events, including ringing to mark the end of the Second World War in Europe and remaining silent during the state funerals of monarchs like King George VI and Queen Elizabeth II. Its image is central to New Year's Eve celebrations in London and the annual Remembrance Sunday commemorations. The tower has appeared in countless films, from Alfred Hitchcock's *The 39 Steps* to modern blockbusters like *V for Vendetta*, and is a quintessential backdrop for television broadcasts from Downing Street. It was renamed the Elizabeth Tower in 2012 during the Diamond Jubilee of Elizabeth II.

Maintenance and conservation

The structure has undergone several major conservation projects to address weathering, pollution, and wear. A significant restoration occurred from 1983 to 1985, which included dismantling the clock mechanism. The most extensive conservation in its history began in 2017, involving repairs to the stonework, refurbishment of the ironwork, and upgrading of the clock's mechanism and bells to improve long-term reliability. During this period, managed by the House of Commons Commission, the bell was largely silent except for major events like Remembrance Sunday and New Year's Eve. The project also included adding a lift, improving fire safety, and repairing the Ayrton Light, ensuring the landmark's preservation for future generations.

Category:Clock towers Category:Buildings and structures in the City of Westminster Category:Gothic Revival architecture in London Category:Tourist attractions in London