Papers received by Waugh from Frederick Hugh Howorth during research for the biography of Charnley, [John Charnley: the man and the hip], and correspondence relating to requests for information by Waugh.
There are notes on an interview with Hugh Howorth, 1988, with amendments by Howorth, reminiscences by Howorth relating to Charnley, and plans of the location of the Howorth Ollerton Laboratory.
There are lists of installations for Charnley-Howorth Clean Air Systems in the United Kingdom and Overseas 1966 – 1986, and lists of articles by Howorth and Charnley, 1972 – 1987.
There is an excerpt of a first draft of a chapter of the biography of Charnley entitled Clean Air, amended and annotated, meeting minutes of the Medical Research Council, and correspondence between Charnley and the Medical Research Council regarding a proposed investigation of ultra clean air systems in operating rooms, 1972 – 1973.
There are copies of articles by Howorth in Hospital Engineering, Ashrae Transactions, in The Design and Utilization of Operating Theatres, the Parenteral Drug Association Meeting and presented at the 1st International Conference of the Hospital Infection Society.
Also included are brochures for Howorth products including the Exflow Clean Zone Unit with Charnley Total Body Exhaust, the Exflow 25S and 9S, and the Exflow Unrestricted Clean Zone System.