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#Mon Aug 09 12:05:15 CEST 2010
Slide__mCcAUKOdEd-WfYQ0GneCwQ_title=Philipp Lenard's Cathode Ray Tube for Examining the Photoelectric Effect
Slide__mCcAUKOdEd-WfYQ0GneCwQ_subTitle=
Slide__mCcAUKOdEd-WfYQ0GneCwQ_footer=1904<br>On loan from\: Deutsches Museum, Munich