Information - The Great Exhibition of the Works of Industry of All Nations - London 1851

* Official name: The Great Exhibition of the Works of Industry of All Nations
* Category: World's Fair
* Duration: 1 May to 11 October 1851 (164 days)
* Location: Hyde Park
* Area: 10.5 hectares, including 7.2 hectares for the Crystal Palace
* Exhibition area: 8.7 hectares
* Emblem: Crystal Palace
* Exhibitors: 14,000 with more than one million exhibits, including 6,900 from England
* Foreign participants: from 25 countries and 15 British colonies
* Visitors: 6,039,205
* Entrance fee: variable, between one pound and one shilling
* Costs: £913,000
* Profits: £150,000
* Classification: 4 sections and 30 classes
* Jury: 314 members, half from England, half from abroad
* Prizes: 5,130 prizes divided into three categories. Of the first category, 46% went to England and 33% to France.


- The Crystal Palace
* Length: 563 metres
* Width: 124 metres
* Area: 71,800 square metres
* Height of the central nave: 19.5 metres
* Height of the transept: 41 metres
* Weight of the iron elements: 4,500 tons (3,300 columns, 2,224 supports, 358 brackets)
* Wood: 16,800 cubic metres
* Glass plates: 293,655 ( 83,600 square metres )
* Drainage pipes: 55 kilometres
* Start of construction: 30 July 1850
* Workers: - in September 1850: 39; from December 1850: about 2,000
* Exhibition area: 92,200 square metres
* Architect's fee: £5,000