The Kirkaldy works also tested components for the Eads Bridge across the Mississippi River in St. Louis , USA , which was completed in 1874 , for Hammersmith Bridge ( 1887 ) , the old Wembley Stadium ( 1923 ) , and for the Skylon that was built for the nearby Festival of Britain in 1951 . It also helped accident analysis by tested materials from structures that failed , including the Tay Bridge Disaster of 1879 and the BOAC Flight 781 De Havilland Comet crash of 1954
BOAC Flight 781
BOAC Flight 781
Kirkaldy Testing Museum