User:Puffingbilly
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Puffingbilly is a chartered engineer with 40 years R & D experience of electronics, computers and computer peripherals. He is a member of the IET and has been awarded the Clerk-Maxwell Premium for a paper on the science of Electronics and Radio. When he chose to remain anonymous he knew what he was doing.See the talk page Delta Sigma Modulation.07:43, 4 August 2019 (UTC) For source of psuedonym see:- http://wiki.riteme.site/wiki/Puffing_Billy_(locomotive)