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Sir Isambert Brunel took his first lessons in forming the Thames Tunnel from the tiny shipworm: he saw how the little creature perforated the wood with its well- armed head, first in one direction and then in another, till the archway was complete, and then daubed over the roof and sides with a kind of varnish; and by copying this work exactly on a large scale, Brunel was at length enabled to construct his shield and accomplish his great engineering work.
There was nothing of which the Norsemen were more afraid than of the teredo, or shipworm, which gnaws the wood of ships. It was observed in Greenland and Iceland that pieces of wood often floated on shore which were filled with holes made by this animal, and they thought that in certain places the seas were full of this worm, so that a ship would be bored and sunk in a little while.
Sir Isambard Brunel took his first lessons in forming the Thames Tunnel from the tiny shipworm: he saw how the little creature perforated the wood with its well-armed head, first in one direction and then in another, till the archway was complete, and then daubed over the roof and sides with a kind of varnish; and by copying this work exactly on a large scale, Brunel was at length enabled to construct his shield and accomplish his great engineering work.
When one reads these strange pages of one long gone one feels that one is at one with one who once... The grainy sand had gone from under his feet. His boots trod again a damp crackling mast, razorshells, squeaking pebbles, that on the unnumbered pebbles beats, wood sieved by the shipworm, lost Armada.
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