A 44 page hardback reference book dating to 1968 detailing 'A Background To Colour Tube Adjustments For The Service Engineer'. Also stated in the preface that 'The information contained in this publication is based on material supplied by engineers of the company's application laboratories, in particular by D.J. King of the Mullard Central Application Laboratory. The material has been edited by Miss B. J. Huttlestone of the Mullard Central Technical Services. Please refer to all photos provided. Any questions? Please get in touch.