Series or Parallel???

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <network-at-neXband-dot-com>

In the diagram of the link below, you can either use a microwave oven 
diode or 12 1N4007 diodes.  Can someone tell me if you use 12 1N4007's, do 
you use these in series or parallel?
    http://hot-streamer-dot-com/greg/motpic.htm

    

    Thanks for the info!
    Gregg