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HP-21 fast counter
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03-24-2023, 11:22 PM
Post: #4
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RE: HP-21 fast counter
A Nixie tube Wang in our high school physics lab in 1970 did that!
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| Messages In This Thread |
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HP-21 fast counter - TKuenzi - 03-24-2023, 08:35 AM
RE: HP-21 fast counter - BobVA - 03-24-2023, 09:30 PM
RE: HP-21 fast counter - teenix - 03-24-2023, 10:11 PM
RE: HP-21 fast counter - lrdheat - 03-24-2023 11:22 PM
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