Endplate noise and miniature endplate potential notes - work with Paul Fatt This folder predominantly contains notes which are not in Katz's hand, and are most likely the notes of Paul Fatt. Equations, diagrams, hypotheses, hand-drawn graphs, notes, results and calculations, and large hand-drawn graphs, relating to impedance across fibres, miniature endplate potentials, endplate noise. Dated June 1950 - March 1951. 1950-1951