The presence or absence of a date was probably up to the cut maker. Lack of a date does not in its self signify anything related to age. The presence of a date does provide a "not applied before" date however.
On Fri, 22 Jun 2007 17:18:16 -0600, Andrew Baron wrote: >Hi Rich and thanks for adding this information. As well, any company >revisions to the content of the form would have resulted in a new or >revised plate being prepared as well, ostensibly with a new date, so >we have a couple of possibilities for form date changes. >My guess is that the first printing of form 632 carried no date, and >subsequently one appeared that carried the 11/20/12 date, followed by >one that carried the 8-20-14 date. >If anyone has a form 632 with a different date, it would be very >interesting to note, along with the serial number of the machine. >For that matter, it could be informative to compare forms with serial >numbers and A-series model numbers in general. >Andy >On Jun 22, 2007, at 3:50 PM, Rich wrote: >> Common practice in the printing industry was to date the printing >> plate. I suspect the date is the plate >> date. They would pour the plate and make a press run for the >> larger customers. At some point the >> 11/20/12 plate would be considered worn out and melted down or tossed. >_______________________________________________ >Phono-L mailing list >http://phono-l.oldcrank.org
