"Drive in the screws," said Eustace, "we won't run any risks.
It needed a new case-spring and some of the screws were loose."
It took six thousand years to invent propellers and screws; so we have time enough yet."
"It's culpably careless of the man, whoever he was," said Eustace, as he removed the screws, "packing an animal like this in a wooden box with no means of getting air.
At this point there presents itself for consideration the advisability of separating the two screws by as wide a distance as may be convenient and placing the rudder between the two.
While Kennicott put up his windows Carol danced inside the bedrooms and begged him not to swallow the screws, which he held in his mouth like an extraordinary set of external false teeth.
These undoubtedly are dangers which have to be provided against, and probably the occasional lack of care has been the cause of many an unreported loss, as well as of recorded mishaps from broken tail-shafts and screws, or from explosions far out at sea.
Wedge-shaped pieces with rails attached may be driven down by screws upon the sides of the vessel, thus having the effect of gradually narrowing the amplitude of the rocking motion until a condition of stability with reference to the hull has been attained.