HP Forum Archive 06

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Serial numbers for classics Message #1 Posted by Bo Kristoffersen on 11 July 2001, 9:45 a.m. Hi, around early 1975 the HP-21/25 were sold with a new-style stamped serial number. However, after the introduction of these models, production of some of the classic models continued for a shorter or longer periode. Therefore, does anyone know of HP-45/55/65/80 with stamped serial numbers, or did they all continue with the metal sticker? Regards Bo Kristoffersen Copenhagen/Denmark

Re: Serial numbers for classics Message #2 Posted by Tom (UK) on 12 July 2001, 7:31 a.m., in response to message #1 by Bo Kristoffersen I don't know if you would class the HP67 as a true classic HP, but mine has the serial number heat stamped into it. I'd guess all HP67's do.

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