928/3700
[ arrêter le diaporama ]

Correcting erection discrepancies

Correcting erection discrepancies.jpg Eiffel Tower 1889MiniaturesBackmann’s proposed helicoidal elevatorEiffel Tower 1889MiniaturesBackmann’s proposed helicoidal elevatorEiffel Tower 1889MiniaturesBackmann’s proposed helicoidal elevatorEiffel Tower 1889MiniaturesBackmann’s proposed helicoidal elevator