Part of the "Kenneth William Hesse" RAAF No.41144, collection. See Cat No. 10364 for details of his service.Foolscap sized manila folder containing pages of text in black type, line diagrams of electrical circuits and handwritten text. Some groups of pages are stapled together.Handwritten in red pencil on back of folder: 'Magneto Notes, 23'.kenneth william hesse, raaf, trining notes, electrical circuits