19xx - Epiphone Elektra lap steel:
This is the lap steel that The Edge used to play the slide parts for "Surrender" (War) during the (1983) War and (1984-85) Unforgettable Fire tours.
The Epiphone Elektra lap steel was bought, second hand while touring the U.S. during the October tour.
The year is the lap stell in in question. The January 1985 "Musician" magazine lists it as an either 1939 or 1940. The June 1985 issue of "Guitar Player" (U.S.) states that it is a 1945 model.