Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 779
here would be a numberof toots of the air whistle, and we could see thebucket cable pay out or in, in accordance withthe signal. It all seemed very mysterious, and whetted ourcuriosity. We sought out Mr. Squires withoutfurther delay. He proved to be a very approach-able man, the kind that had nt… … Photograph by Brown Brotl SWINGING THE BUCKET UP TO THE AIR-LOCK—THE IRONBLOCKS ABE USED TO KEEP THE CAISSON DOWN. Squires, until we get to rock; when we getdown to water, we keep it out of the excavationwith compressed air. How do you do that? On the same principle as the diving-bell. Youknow, if…
Children's literature
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