Mullard Magic: For All Your Vintage Valve and Radio Needs!
10A/11039, ROUNDED DIAMOND SHAPED , black knob, Air Ministry, 33mm Length
10A/11838, elongated peak , black knob, Air Ministry, 21mm Dia.
10A/15808, AIR MINISTRY, RT ANGLE BOWDON CABLE DRIVE
10c/13814, black knob, Air Ministry, 21mm Dia.
10F/10338 R1155 SWITCH DPST EX EQUIPT