<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Back in the 80’s I supervised a group that maintained and programmed Westinghouse mainframe data acquisition computers that used core memory. They were programmed using reverse Polish notation and hex on a terminal. It took a creative verbal dance to finally justify purchasing an AT clone with a hard drive to store some code and data for the interface. Good times!<br><br><div id="AppleMailSignature">Sent from my iPhone</div><div><br>On Apr 29, 2018, at 1:07 PM, Ken Boone via TriEmbed <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="auto"><div dir="auto">For the people who remember the computers that used them. Just $39.00.</div><div dir="auto"><br></div><div dir="auto">I have several core memories in my collection including a 6X6X4 inch multiple layer one. The early space shuttles and earlier maned missions like the moon also used core memories to keep high energy radiation for flipping memory bits. </div><div dir="auto"><br></div><div dir="auto">Keep up the building. </div><div dir="auto"><br></div><div dir="auto">Ken</div><div dir="auto"><br></div><a href="https://www.tindie.com/stores/kilpelaj/?ref=offsite_badges&utm_source=sellers_kilpelaj&utm_medium=badges&utm_campaign=badge_medium">https://www.tindie.com/stores/kilpelaj/?ref=offsite_badges&utm_source=sellers_kilpelaj&utm_medium=badges&utm_campaign=badge_medium</a></div>
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