'The girls at the hat and cap factory where [Mary Bertenshaw] worked would huddle round at dinner to read Aristotle's Masterpiece over general giggles: "It contained explicit pictures of the developent of a foetus; in turn we read out passages. This went on until our boss Abe interrupted us. We felt so ashamed and from then on kept even further away from the VD clinic and became very dubious about the male sex'