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User:John M. Coffey

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Now retired, living in Cheshire, England. B.Sc metallurgy and material science, Univ Birmingham 1969, PhD Physics Univ Warwick 1974, BSc mathematics Univ Manchester 2004. Worked in R&D for UK electricity supply industry for 23 years, mainly on ultrasonic non-destructive testing (NDE). Chartered Engineer via Inst.Mech.Eng. From 1995 was technology business consultant to industry and academia, and finally maths teacher in college with PGCE. Current hobby interests in elementary maths and acoustics of stringed musical instruments. Personal web site at