Steaming milk in a stainless steel pitcher, for a cappuccino, using a Saeco pump espresso machine. Derived from file0427.wav (amplified and shortened), which was recorded 6/16/2009 using an MAudio MicroTrack 24/96 digital audio recorder and Sony ECM-MS907 stereo microphone. A photo at http://www.flickr.com/photo... shows the setup. Also posted to wikiGong.com.