This Key is a step back in time, I've decided to try a small flat spring action, I have tried this before and it hasn't worked very well for a small key, probably due to the weight being to light, however this time I shall use bearings and not spring support for the pivot, also I'm trying an angle arm knob fitting for the first time, so far its proving quite tricky to make but well worth the effort as it  has an excellent action for a really relaxed way of sending really nice, one of the best