I think you mean spider web coils? Usually wound on a flat circular form with an odd number of slots cut radially inwards.
If you visit the crystal set society they have some handy excel tools for winding them on freq.
http://www.midnightscience.com/Those coils can give a pretty hi q due to the distributed capacitance. Mechanically simple to mount too, makes a vario-coupler rather easier to work up.