When where the lifts on the Eiffel tower installed?

The lifts on the Eiffel Tower were installed in 1889, the same year the tower was completed for the Exposition Universelle (World's Fair) in Paris. Initially, the tower had hydraulic lifts designed by Gustave Eiffel's company, which were essential for transporting visitors to the upper levels. Over the years, these lifts have undergone various upgrades and replacements to enhance safety and efficiency.