Archimedes' screw pipe does not need to be perfectly watertight, as long as the amount of water being scooped with each turn is large compared to the amount of water leaking out of each section of the screw per turn. If water from one section leaks into the next lower one, it will be transferred upwards by the next segment of the screw. In some designs, the screw is fused to the casing and they both rotate together, instead of the screw turning within a stationary casing. The screw could be sealed to the casing with pitch resin or other adhesive, or
Archimedes and the Seagle or dog, this very personal book of hard-won knowledge could well be tried and found true." Archimedes and the Seagle Archimedes and the Seagle (1984) is a novel by Australian writer David Ireland. It won the ALS Gold Medal in 1985. The Archimedes of the title is a dog, an old red setter who has learnt to read and who philosophises about the world. In particular, he is fascinated by seagulls, and one in particular, who appears to soar like an eagle, hence the "seagle". Veronica Sen in "The Canberra Times" noted: "An extraordinary thing about this novel is that