Cutting Multiple Lead Threads...how?

I bremember me many years ago while working in the Jax Shipyard Machine shop (non existent any longer, so that's how old I am), cutting double and triple threads on valve stems. I thought I remember doing this by which number/quadrant/etc on the thread dial I engaged the feed. I can't remember exactly how I did this and which 'number' on the dial I used.
I may be wrong but somebody out there must know.

With this method I did not have to rotate the workpiece, or move the compound or do any...

Cutting Multiple Lead Threads...how?