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Eiffel Tower

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by

Akela Francis

on 12 March 2015

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Transcript of Eiffel Tower

Eiffel Tower - La tour Eiffel
Where Is The Eiffel Tower
The Eiffel Tower is positioned on Champ de Mars in Paris. The Tower was named after Gustave Eiffel who was a engineer.
The Top Of The Tower
The top floor of the Eiffel Tower was used by Gustave Eiffel as his 'apartment' but is now used to see the view and has a map around Paris, but the top of the tower is not always open to visit.
Who Built It
Gustave Eiffel's, a French engineer and architect, company built the tower
Maurice Koechlin and Émile Nouguier were senior engineers who worked for the Compagnie des Établissements Eiffel, they asked Stephen Sauvestre who is the head of the company's architectural designs, to contribute in the design
In May 1884, Koechlin worked at home making an outline for the tower
What Are Some Names On The Tower
There are 72 names engraved on the tower on the first balcony, with 18 names on each 4 sides of the tower
The engravings are the last names of the French scientists, engineers and mathematicians in recognition of their contribution on the tower
When Was It Built
Construction started on December 7th 1887, that was when only the 4 legs of the tower were starting to be built
On March 20th 1888 the first level was completed
May 15th was the start of the second level
August 21st is the completion of the second level
December 26th was the start of the construction of the upper stage
March 15th 1889 was when the top of the tower started being built
March 31st 1889 was the finished product of the tower
Why Was It Built
The Eiffel Tower was the keystone of the Universal Exposition that was celebrating the 100th anniversary of the French Revolution from May 6th to October 31st and was the entrance arch.
What Is The Weight
The metal structure of the Eiffel Tower has a mass of 7,300 tons, the tower weighs approximately 10,100 tonnes.
Exposition Universelle de Paris 1889
Believe It Or Not
Original Drawing by Maurice Koechlin
It takes 1,665 steps from the bottom all the way to the top
It's as big as a 81-storey building
The Eiffel Tower was not supposed to permanent, it was to be demolished in 1909 but was saved because it was re purposed as a radio antenna
During WWII, when Hitler visited Paris, the French cut the cables, so if Hitler wanted to go to the top, he would have to use the stairs
There are 20,000 light bulbs in the Eiffel Tower
The paint on the Eiffel Tower weighs as much as 20 elephants
Erika "Aya" Eiffel (nèe Erika LaBrie) is famously 'married' to the tower and had a commitment ceremony in 2007 to the tower
Franz Reichelt, a past inventor and pioneer, jumped from the first platform of the Eiffel Tower while testing a wearable parachute that he had made, but the parachute failed to open which lead to his death of falling off the first floor of the tower
Materials
The Eiffel Tower is made of wrought iron (a iron that can be formed into any shape desired by using the puddling technique which is a process of making pig iron into wrought iron) unlike metal that is used on most structures now even though steel and metal was used back then
pig iron
example of wrought iron
Gustave Eiffel
Design
The Eiffel Tower is a iron lattice tower (truss tower) which is a freestanding framework tower that can be used as a radio, electricity transmission or observation tower but the Eiffel is used as a radio tower
radio tower
electricity
transmission tower
observation tower
lattice tower
Stephen Sauvestre
Full transcript