Speed 20 parts wanted

I am restoring a Speed 20 SC, 1935. I need a number of things eg magneto,

•  Magneto
Speedometer, tachometer (both 5")
•  Bell housing
•  Have shaft between gearbox and /engine/clutch, clutch- still missing some bits
•  Steering wheel boss with switches/levers (3 with round black heads-advance/retard, hand throttle?] See photo of steering wheel I have

Apologies, ignore this post - submitted accidentally before complete, can't work out how to delete it!