Figure 5. — Correcting erection discrepancies by raising pier member — witli 

 hydraulic press and liand pump — and inserting shims. (From La Nature, 

 Feb. 18, 1888, vol. 16, p. 184.) 





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Figure 6. — The promenade beneath the Eiffel Tower, i88g. (From La Nature, 

 Nov. 30, 1889, vol. 17, p. 425.) 



PAPER 19: ELEVATOR SYSTEMS OF THE EIFFEL TOWER 



