All public logs

Combined display of all available logs of Bose Portable PA Encyclopedia. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 20:20, 8 March 2010 ST (talk | contribs) uploaded File:AcousticFeedback01.gif (http://www.scientificamerican.com/article.cfm?id=what-causes-feedback-in-a ---- Category:Feedback )