On 10/3/2015 3:26 AM, Dave G4UGM wrote:
Yes, there is.
That is why an *artifact* - a given *hardcopy* of a
manual - has a *publisher*. As I mentioned in an earlier reply at some
point to someone, a given manual applies to a single machine
*manufacturer* (e.g., Apollo is considered the manufacturer of the DN
series, even though, technically, later HP made them for a year or two), but a
given manual with the same number the applies to them might have Apollo
as a publisher (older copy) and HP (newer copy - with the same contents).
A given hardcopy of a manual could not change publishers. The publisher is
permanent characteristic of that copy.
MOST attributes can change over time as new information comes to light. So for example I
also follow one of the Slide Rule forums and new information as to who actually
"Made" rather than "Sold" a particular rule all the time. Even the
If I were interested in a museum quality inventory, I might worry about
things to that level of detail. But as I stated early on, I am not. I
am not about to worry about such things for 5,000+ manuals.
Still, a given hardcopy cannot change who published it. It is written
on the page.