Scientific American January 26, igo7. 89 … crete. These are subsequently One of the Caisson Forms Used In Building and Sinking the Huge Concrete Wall, 8 Feet of a small cylinder charged withdrawn, the abutting sec- Thick and 75 Feet Deep, Inclosing the Foundations of the Cortlandt Street Terminal Station with C02 gas, such as is used tions…
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