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Updated: June 4, 2025
Out of this necessity grew the use of the lead and sounding line; and, ultimately, marine-surveying, which is the recording of the form of coasts and of the depth of the sea, as ascertained by the sounding-lead, upon charts.
At a sign from the lieutenant, a sailor who was stationed at the foot of the fore-shrouds dropped the sounding-lead into the water, and in reply to Procope's inquiries, reported "Five fathoms and a flat bottom."
Captain Jack Benson unlocking the door to the conning tower, was himself the first to disappear down below. When he came back he carried a line to which was attached a heavy sounding-lead.
Out of this necessity grew the use of the lead and sounding line; and, ultimately, marine-surveying, which is the recording of the form of coasts and of the depth of the sea, as ascertained by the sounding-lead, upon charts.
Out of this necessity grew the use of the lead and sounding-line; and, ultimately, marine-surveying, which is the recording of the form of coasts and of the depth of the sea, as ascertained by the sounding-lead, upon charts.
"And a bit of lead at the end?" "Yes, Tom, a sounding-lead with a great bullet, which they left at the bottom when they pulled the line in again." "Think o' that, now!" cried Tom. "Why, I was wondering whether a fellow couldn't go down in a diving-bell and see what the bottom was like, and look at the fishes say, Mas'r Harry, some of 'em must be whoppers."
Beyond this depth the sounding-lead rests, not upon the wall-like face of the reef, but on the ordinary shelving sea-bottom. And the distance to which a fringing reef extends from the land corresponds with that at which the sea has a depth of twenty or five-and-twenty fathoms.
Beyond this, in the part of the edge of the reef which is always covered by the breaking waves, the living, true, reef polypes make their appearance; and, in different forms, coat the steep seaward face of the reef to a depth of 100 or even 150 feet. Beyond this depth the sounding-lead rests, not upon the wall-like face of the reef, but on the ordinary shelving sea-bottom.
At half past two he stopped the engine. "Well, I guess we're here!" "We're here, fast enough!" assented Percy, staring about. "But where's here? Doesn't look any different to me from anywhere else." "Clay Bank." With his sounding-lead Jim tried the depth of the water. "Thought so! Fifty fathoms!" He prepared at once to set the trawl.
“It won’t take us long to sound the deep spots in this little harbor,” said the young skipper, as he dropped down once more into the bow of the shore boat. “Row about, Hal, over the places where the submarine could go below out of sight.” As Hal rowed, Skipper Jack industriously used the sounding-lead. For twenty minutes nothing resulted from this exploration.
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