here is the unusual switch start ballast find it surpise me i found and bought this on USA ebay
this is 120 volts 60Hz compare to the 240 volts 50 hz ballast
this can do 1 30 watt T12 or series 15 watt T12 on switch start ballast
these tube will still be around
http://www.ebay.com/itm/190650710352?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649