On Wed, 11 Mar 2009 13:24:45 -0400, "Oppie"
wrote:

A salesman dropped by the office today and left some catalogs for me. Once
again, I marvel at the cost and effort that goes into producing and
distributing these - but wonder why most catalogs do not give any
publication date. Ok, so I used to work on military projects where any new
doc release came with a cover sheet that spelled out revision changes and
what document it superseded. Having gotten used to that, getting undated
documentation and not knowing what (obsolete) catalogs in the engineering
library to replace sorta ticks me off.

I'm actually a bit surprised that many vendors continue to make full line
catalogs. With access to online catalogs, at most, a short form catalog
should be all that is necessary. Online selection guides vary in
effectiveness and often bog down over a misinterpretation of terminology.

// end of rant //

Any vendor these days that still makes a full line catalogue is
overcharging the customer. These are the places that a good for
prototype numbers, but nothing else.

Real doco comes from the manufacturers, and they are versioned.