This may not be a complete list of all calls authored by William Dell.
Jay King - page 101
From a squared set: Designated ladies star 3/4 to face their corners. Their partners pass right shoulders and turn to face the right hand lady.
NOTE: Wheel Thru, which accomplishes the same thing (a lead to the right) caught on with advanced dancers, but this one did not.
William Dell 1963
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.