Folders B.7.1-B.7.4: Lectures at Leeds University, 1936. These represent Coulson's first formal university lectures, delivered at Leeds in 1936 when, at the request of W.P. Milne, he deputised for Professor S. Brodetsky. It was a lecture by Brodetsky, attended while he was still a schoolboy at Clifton College, that inspired Coulson to become a mathematician. All items are MS. drafts. Folder B.7.1: 'Advanced dynamics'. Folder B.7.2: 'Projectiles'.…