Slides Showing the Penhold Technique for Porter and Bullock Slides showing the penhold technique of two students, Charlotte Porter (from Bevendean) and someone named only as Bullock (from Sevenoakes). Rosemary Sassoon made two notes on the original envelope, as follows: 'Finger pos. change' 'Charlotte Porter: Tall in primary school, couldn't get legs under desk so sat sideways - handwriting painful at 15 - just needed to sit properly'. Correspondence and handwriting samples for Charlotte Porter can be found at SA/1/36 1985