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This is completely contrary to my experience.
Most places verified cards as a matter of policy. The consequences of a mispunch in important data were too great to risk.
If sequence numbers were required they would be punched with the rest of the card. It would be a waste of time and money to refeed all the cards later just to add a few more columns.
Once the deck is "frozen" there would be little point in adding sequence numbers, except as a precautionary measure to enable recovery from dropping the deck. A common application of sequence numbers was to enable a merge of new data into an already-sequenced deck, or into a sequential file loaded from the deck.
deeper previous levels snipped to preserve space ... :) Dear, dear. .. Recall that the high priority rush...
As for "the gals not going to waste their time", one has to ask who ran the business. If I have a need for something to be done a particular way, no punch-girl is going to tell me I can't have it. If I have to budget to have it done, it will get done.
OTOH at one PPOE bribes to the chief puncher were a practical necessity for any job. She had powerful protectors. :-(
--brian
-- Wellington, New Zealand
"What's life? Life's easy. A quirk of matter. Nature's way of keeping meat fresh."
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