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Serial Numbers and Production Dates
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Serial Numbers and Production Dates
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04-03-2017, 10:19 PM
Post: #5
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RE: Serial Numbers and Production Dates
Thanks, everyone!
It looks like my HP-80 (1247A) is from the first week of production. My HP-35, type 4 (1346A) is from the second week of production of type 4. Most interesting. Thanks! Regards, Bob |
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| Messages In This Thread |
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Serial Numbers and Production Dates - bshoring - 04-03-2017, 09:27 PM
RE: Serial Numbers and Production Dates - Geoff Quickfall - 04-03-2017, 09:33 PM
RE: Serial Numbers and Production Dates - rprosperi - 04-03-2017, 09:57 PM
RE: Serial Numbers and Production Dates - james summers - 04-03-2017, 09:58 PM
RE: Serial Numbers and Production Dates - bshoring - 04-03-2017 10:19 PM
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