LocalHero1953 Posted October 15, 2015 Share #61 Posted October 15, 2015 Advertisement (gone after registration) At risk of diverting this thread way off topic, my oldest functioning electronic device still in regular use is a HP11c calculator bought in Dubai in 1982/3. I wouldn't be without it. Radios and other audio equipment are other likely candidates, but not in our house. For comparison, my oldest functioning "machine" in the broadest sense is the movement of a bracket clock, dating from around 1780, sitting in a case from around 1815. It still keeps excellent time. 1 Quote Link to post Share on other sites More sharing options...
Advertisement Posted October 15, 2015 Posted October 15, 2015 Hi LocalHero1953, Take a look here Transition from M9 to M240 - your thoughts. I'm sure you'll find what you were looking for!
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