Note Footnote 3 — EXPERIMENTS ON RETAINING WALLS AND PRESSURES ON TUNNELS.

: The experiments pertaining to Figs. 7, 8, and 9 are due to Curie. See Curie’s “Poussée des Terres” and “Trois Notes,” Gauthier-Villars, Paris. They are of especial interest in that they were undertaken to attempt to overthrow the theory advocated above.] Return to text