Re: Hp 400D serial number decoder
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Thanks Jeremy, That fills in the missing information. I have found other information that says they started in 1954. Cool Thank you very much.
Dave ?
On Tue, Aug 30, 2022 at 6:46 AM Jeremy Nichols < jn6wfo@...> wrote: Early HP serial numbers did not use a date reference. All we can tell is that it was before 1960. When I get up, I¡¯ll see if I can learn when the 400D was introduced. For now, my guess would be ¡°late 1950s.¡±
On Mon, Aug 29, 2022 at 11:04 PM Dave Miller < ve7hr@...> wrote: A 400D found it¡¯s way home tonight.?
I am trying to decode serial number to approximate its vintage.?
Serial number is 16210.? That does not seem to fit into any of the decoders I have found to online to date.?
The online manual I have found does mention that serial number range but the is not copyright date on the manual.?
Thanks
Dave
Jeremy Nichols
6.
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