In 1939, German scientists invented their own flying saucer shaped aircraft and called it the “Haunebu”. When the Nazi party swept in to power in 1933.
"The Bell" (German: Die Glocke) a torsion field of sufficient intensity can bend space around the generator. The more torsion you generate, the more space you alter. When you bend space, you also bend time.
"Looking into the bottom of the William B. Rankine G.S. wheelpit from the Rankine tailrace" - Michael Cook