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 Post subject: Columbia Q serial number N 314371 -What does the N indicate?
PostPosted: Sun Jan 07, 2018 10:30 pm 
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Victor O
Joined: Thu Jan 08, 2009 12:58 am
Posts: 51
Does anyone know what the 'N' indicates on the Columbia Q, serial number N 314371? It also seems that 314371 would be a very low serial number for a Q.


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 11:57 am 
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Victor II
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Location: South Florida
Indeed that is an early Q. Hazelcorn's book says they start at 321886. I see there is no wording on the endplate. My earliest Q is 337xxx so I looked at it to see if there was a letter preceding the serial number. At first I thought there was but I took pics and think they are machine marks. But, I looked on the back edge and found the letter Z clearly printed. See images.
Thanks for posting this. Joe


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 12:16 pm 
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Victor V
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I'm Feeling Cranky
Joined: Mon Mar 04, 2013 3:22 pm
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Location: Finger Lakes Territory, RONYC
Well isn't this interesting?
Crank_it_up wrote:
Indeed that is an early Q. Hazelcorn's book says they start at 321886. I see there is no wording on the endplate. My earliest Q is 337xxx so I looked at it to see if there was a letter preceding the serial number. At first I thought there was but I took pics and think they are machine marks. But, I looked on the back edge and found the letter Z clearly printed. See images.
Thanks for posting this. Joe

I looked at mine (322,061), and it has the same 3 "hash-marks" near the SN, and also a letter "J" (and a "hash-mark") stamped into the rear edge just below the open-end of the mandrel. I hope others will check theirs, too!

Best,
Fran
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Francis; "i" for him, "e" for her
"Even a blind squirrel finds a nut once in a while" - the unappreciative supervisor.


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 2:20 pm 
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Victor IV
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Location: SF Bay Area, Calif.
My QB has a much higher serial number but the rear is stamped with a letter, in this case "M."


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 2:30 pm 
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Victor O
Joined: Thu Jan 08, 2009 12:58 am
Posts: 51
OK, I just looked at all 5 of my early Q's.
serial #333436 is a QC with H stamped in that same location on the rear edge of the base
serial #604817 is a QB and has an L stamped there.
serial #619267 is a Q missing lots of parts but it has P stamped there.
serial #634837 has B stamped there.
serial #314371 is the one I originally posted the question about and it has nothing stamped there but has N stamped just before the serial number on the front edge of the base, as shown in the photos at the top of this thread topic.
Maybe these are a manufacturing code of some sort?


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 2:46 pm 
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Victor V
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I'm Feeling Cranky
Joined: Mon Mar 04, 2013 3:22 pm
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Location: Finger Lakes Territory, RONYC
phono-farm wrote:
OK, I just looked at all 5 of my early Q's.
serial #333436 is a QC with H stamped in that same location on the rear edge of the base
serial #604817 is a QB and has an L stamped there.
serial #619267 is a Q missing lots of parts but it has P stamped there.
serial #634837 has B stamped there.
serial #314371 is the one I originally posted the question about and it has nothing stamped there but has N stamped just before the serial number on the front edge of the base, as shown in the photos at the top of this thread topic.
Maybe these are a manufacturing code of some sort?

I'm thinking either an assemblyman's or inspector's mark. The hash-marks could be an indication of some prior procedure or inspection, too?

Just thinkin' out loud.

Best,
Fran
Francis; "i" for him, "e" for her
"Even a blind squirrel finds a nut once in a while" - the unappreciative supervisor.


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 5:14 pm 
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Victor Jr
Joined: Wed Sep 20, 2017 4:12 pm
Posts: 30
Hello,
My early Q is serial number 320093 with a B stamped into the back edge.

Pete


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 6:50 pm 
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Victor II
Joined: Fri Jan 04, 2013 2:58 am
Posts: 239
It should be noted that Hazelcorn's book lists the earliest KNOWN number HE was aware of at the time of publication. One can safely assume that the different Graphophone models were given specific serial blocks that started with even numbers. Type N's started at 40,000, for instance. Type B's, 50,000, etc. Serial blocks also appear to have jumped around for the same models, as we see with the Q, for instance.

Q's started at 300,000. At one point I owned serial number 312,xxx, or close to it. It also lacked the stamping in the support stanchion. There is an old thread regarding Q serial numbers which covers some other early examples.

The letter marks, I would guess, may have been something to do with different production batches. My 2 cents.

-Jake


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 9:25 pm 
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Victor III
Joined: Tue Jun 24, 2014 10:12 pm
Posts: 635
I have a Q with serial number 348660, along with some hash marks but not the same, and the letter X stamped on the other side. The so-called hash marks might be produced in the manufacturing process?


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 Post subject: Re: Columbia Q serial number N 314371 -What does the N indic
PostPosted: Mon Jan 08, 2018 9:32 pm 
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Victor V
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I'm Feeling Cranky
Joined: Mon Mar 04, 2013 3:22 pm
Posts: 2510
Location: Finger Lakes Territory, RONYC
jboger wrote:
I have a Q with serial number 348660, along with some hash marks but not the same, and the letter X stamped on the other side. The so-called hash marks might be produced in the manufacturing process?

Could be marks left from the forming die. It seems strange to me that they'd been spread over such a long run of parts, though. You'd think someone would've been told to clean up the burrs instead of trying to buff the marks out of the parts later.

Who knows?

Best,
Fran
Francis; "i" for him, "e" for her
"Even a blind squirrel finds a nut once in a while" - the unappreciative supervisor.


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