Mullard Magic: For All Your Vintage Valve and Radio Needs!
Ormond, Bakelite, Skirted knob, 47mm Dia, 6mm Shaft, From 1929
Black Bakelite, Stanton, SW4913, BAr Knob, 48mm Length 6mm half round shaft,
Black Bakelite, Bulgin, K60, BAr Knob, 56mm Length 6mm half round shaft,
Brown Bakelite, Skirted Five Flue Knob, 44mm Dia, 6mm Shaft, TV type
Brown Bakelite, Skirted Knob, 49mm Dia, 6mm half round shaft, Pye BV20C??