Squirrel cage type blower, still sealed in original foil wrap, military
surplus. It runs on 200 VAC, 3-phase 400 Hz, and at 6000 rpm.
Made by Western Gear Corp, Applied Technology Division.
Several available, see (updated) link below.
http://us.ebid.net/perl/auction.cgi/25886614
( no listing fees on
www.ebid.net )