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 box surrounding the tower (324 m x 125 m x 125 m) would contain tons of air, weighing almost as much as the iron itself. Depending on the ambient temperature, the top of the tower may shift away from the sun by up to due to thermal expansion of the metal on the side facing the sun. When it was built, many were shocked by the tower's daring form. Eiffel was accused of trying to create something artistic with no regard to the principles of engineering. However, Eiffel and his team – experienced bridge builders – understood the importance of