Programmable Logic Controllers, Fifth Edition
W. Bolton has worked in industry, as well as academia as a senior lecturer in a College of Technology, a member of the Nuffield Advanced Physics team, adviser on British Government Aid project to Brazil on technical education, UNESCO consultant in Argentina and Thailand, Head of Research and Development at the Business and Technician Education Council, now retired. He has written many engineering textbooks including: Mechatronics 4th ed., Engineering Science 5th ed., Higher Engineering Science 2nd ed., Mechanical Science 3rd ed., Instrumentation and Control Systems.