Originally Posted by Alan Patterson
When were we clearing out my mother's house we came across this, which I'd never seen before. It's an early hand held calculator with a fascinating history my father must have used during his career in engineering. This one is an early Type I version manufactured in 1951 (so it's older than me!) and is in pristine condition (unlike me!)

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Watched a You Tube video n this working, amazing piece if engineering, I want one 😆

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