Just heard back from Don...
here are the blowers
http://www.surpluscenter.com/item.asp?UID=2003041020110791&item=16-1214&catname=misc
there are a lot of other things for hammers and presses available at
http://www.surpluscenter.com
mike
Michael Linn
Artist Blacksmith
McCalla, Alabama
AFC Webmaster
http://afc.abana-chapter.com