Nature's Submarines: Under-Water Travel is the only Sphere in which. Nature Holds the Speed Record
... SSS^SS5S5SSSS5S22HHH^25^S Nature's Submarines U nder-Water Travel is the only Sphere in which. Nature Holds the Speed Record By Frank W. Lane IF the Nazis could have made a submarine which would travel under water as successfully as a fish they might well have won the Battle of the Atlantic. The best a submarine can do when travelling beneath the surface is around twenty knots, There are some ...