Right Open-Elbow Inlanes
Right open-elbow inlanes are Open-Elbow Inlanes on the right flank alone, where the right inlane and outlane run into each other at the bend and the left pair keep their divider.
The one-sided version is rare, and belongs to the last Electromechanical years: Gottlieb built it into Centigrade 37 (1977), and Spanish makers used it on machines of the same decade.