Triode (No. 21), ed. Eric Bentcliffe, 1975 fanzine (incomplete [missing last 6 pages]).

Contributors: Jim Cawthorn, Cyril Faversham, Harry Hurstmonceaux, Ned Brooks, Ron Bennett, Pamela Boal, Ken Bulmer, Darrell Pardoe, Dave Griffin, Mike Glicksohn, John Owen, Sam Long, Alan Hunter, Terry Reeves, Dave Rowe, Bob Shaw, Mike Gorra, Bill Rotsler.

See also: other Triode issues.