ClipArt ETC
"A compound turbine was patented by Real and Pichon, the idea being to reduce the velocity of rotating passing the seam through successive wheels G, separated by disks B B containing outlets C to permit the passage of the steam from one chamber to another. H is one of the blades, F the shaft, and M the steam exhaust." —Derr, 1911

Real and Pichon Compound Steam Turbine

"A compound turbine was patented by Real and Pichon, the idea being to reduce the velocity of rotating…