Whats a one wire distributor?

[<hofs@domain.elided>]

>Speaking of Summit, I bought a one-wire distributor from them in June and
>it died last weekend with a total of 1 hour run-time.  My Scout isn't
>licensed, so I explained about it being a project car and not in service
>yet.  They sent a replacement immediately.  I definitely will do business
>with them again. 
>
>Steve

Steve,
I assume that you had distributors on the brain, was that a one wire 
alternator?
John