Eiffel Tower replicas and derivatives and one in the Isle of Man and sold shares to potential investors, including many prominent Blackpool families. When the corporation got into financial difficultly John Bickerstaffe stopped the scheme from collapsing and ensured the scheme was a success. The Blackpool Tower, though one of the oldest, is not a true replica of the Eiffel Tower and differs from the Paris tower in a number of ways: it is approximately half the height of the Eiffel Tower (158 m compared to 324 m), it is not freestanding and the base contains buildings which house entertainments including the Tower Circus and
Eiffel Tower wind forces, and knew that if they were going to build the tallest structure in the world, they had to be sure it could withstand them. In an interview with the newspaper "Le Temps" published on 14 February 1887, Eiffel said: He used graphical methods to determine the strength of the tower and empirical evidence to account for the effects of wind, rather than a mathematical formula. Close examination of the tower reveals a basically exponential shape. All parts of the tower were over-designed to ensure maximum resistance to wind forces. The top half was even assumed to have no