Chem 1B: Spectroscopy Lecture 1 2014 Dr Pat Langridge-Smith View clip in separate player (QuickTime) Chem 1B: Spectroscopy Lecture 2 2014 Dr Pat Langridge-Smith View clip in separate player (QuickTime) Chem 1B: Spectroscopy Lecture 3 2014 Dr Pat Langridge-Smith View