MORLEY Electrostatic Delay Line, mod.EDL Rare 70's

http://www.morleypedals.com/edl1.pdf

http://www.morleypedals.com/edl2.pdf

http://www.morleypedals.com/edles.pdf

http://www.youtube.com/watch?v=zSKF2KN67U0&hl=it

http://www.geofex.com/Article_Folders/oil_can_delays.htm