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A Machine Cancel With Different Killer Bars

 
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Posted 10/10/2020   10:40 am  Show Profile Bookmark this topic Add DonSellos to your friends list Get a Link to this Message
Any cancel collectors on this forum?

If so, would you tell me the company that made the cancelling machine that prints the double line killer bars? I've looked online, but not been able to find an example.

Thanks.

DonSellos
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Posted 10/10/2020   10:51 am  Show Profile Bookmark this reply Add John Becker to your friends list  Get a Link to this Reply
Fed twice.
First time through the machine it overlapped with another cover which got the left half of the machine cancel. Caught by a clerk during a subsequent sorting process and re-fed to get the full cancel.
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Posted 10/10/2020   11:47 am  Show Profile Bookmark this reply Add DonSellos to your friends list  Get a Link to this Reply
I'm trying to visualize the process -- First time through the canceling machine only a portion of the killer bars were applied, second time through, the cover got the whole cancel, dial and slogan box, plus killer bars again.

Is that correct?

Thanks, John.

DonSellos
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Posted 10/10/2020   12:14 pm  Show Profile Bookmark this reply Add John Becker to your friends list  Get a Link to this Reply
Canceling machines of this era were fed a stack of manually faced mail. The stack was pushed against a "separator" mechanism of a reverse-rotating wheel which is adjusted to allow for average-thickness letters to pass one at a time. Here is the illustration from the operators manual for an International Model HD-2 machine (cranked by hand, but still the same principle as the high-speed machine your letter passed through, only slower):



The separator mechanism is spring loaded to allow thicker letters to pass without jamming, but thinner letters and postal cards often would double-feed resulting in total or partial skips. In your case you have incomplete separation resulting in a partial skip, likely a case of minimal contents allowing a second envelope to slip along, both getting only part of the cancel. Consider this partial overlap:



Looking like this when spread apart:



Then your cover being fed back through again and getting the full cancel added here in red:



The other cover (the orange paper sketch) was probably not re-fed as it had a canceled stamp and a full date.
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Posted 10/11/2020   08:35 am  Show Profile Bookmark this reply Add DonSellos to your friends list  Get a Link to this Reply
Great explanation. Thanks again, John Becker.

DonSellos
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