Before revision: A Brewster angle microscope is a microscope for studying thin films on liquid surfaces .
After revision: alt=Commerical Brewster Angle Microscope.|300x300px|Commerical Brewster Angle Microscope.alt=Complex phospholipid layer in liquid condensed phase in a Langmuir Trough, imaged by a Brewster Angle Microscope.|300x300px|Complex phospholipid layer in liquid condensed phase in a Langmuir Trough, imaged by a Brewster Angle Microscope.A Brewster Angle Microscope (BAM), most typically Langmuir films is a microscope for studying thin films on liquid surfaces .