Terracotta Army the earliest industrial use of lathes for polishing. The first exhibition of the figures outside of China was held at National Gallery of Victoria (NGV) in Melbourne in 1982. A collection of 120 objects from the mausoleum and 12 terracotta warriors were displayed at the British Museum in London as its special exhibition "The First Emperor: China's Terracotta Army" from 13 September 2007 to April 2008. This exhibition made 2008 the British Museum's most successful year and made the British Museum the United Kingdom's top cultural attraction between 2007 and 2008. The exhibition brought the most visitors to the museum
Architectural terracotta the rise of terracotta. Cast iron was first used as columns in the 1820s by William Strickland. Over the course of the 19th century metal became more incorporated into construction but it was not widely used structurally until the late 1890s. A series of disastrous fires (Chicago, 1871; Boston, 1872; and San Francisco, 1906) earned terracotta a reputation for being a fireproof, lightweight cladding material that could protect metal from melting. Holes were bored in the hollow blocks in choice locations to allow for metal 'J' or 'Z' hooks to connect the blocks to the load bearing steel frame and/or