Document, Lecture Notes, 1945 and 1946 Physical description .1) A set of handwritten and printed notes..2) Serveral sets of handwritten notes on blue-lined foolscap loose-leaf sheets about thermodynamics..3) A set of fordigraphed foolscap sheets tites 'Volume s and Valve Gear. Subjects e.j. barker, jack barker, lecture notes, univesity of melbourne, engineering