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PLOMB Combination Wrench "4C"

corgibell

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I got PLOMB Combination Wrench 1230 Los Angeles "4C".
I know that "4" means product year 1934.
Let me know the meaning of "C".
Question from Japanese collector.
 
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Provincial

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Speculation is that the letter indicates the month of manufacture, so the "4C" would mean the third month of 1934, or March.
 

r_olson_06

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I got PLOMB Combination Wrench 1230 Los Angeles "4C".
I know that "4" means product year 1934.
Let me know the meaning of "C".
Question from Japanese collector.
I don't think it has been fully understood. I don't think it is a date code as the letters range from A-E giving 5 examples. It possibly could be a plant location of manufacturing, production line number, or even a fordging die number.

Looking for the following Plomb Pebbles Wrench 3061
 

Private Lugnutz

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I don't think it is a date code as the letters range from A-E giving 5 examples. It possibly could be a plant location of manufacturing, production line number, or even a fordging die number.
:+1:

As I have noted before, akin to the letters we sometimes see on some WF- series tools, in my opinion. More letters, because it was later production (i.e., more plants, lines, etc.) And, also as I have noted before, like those WF- letters, I don't think this code can be cracked empirically, through examples and inference. We're going to need documentation on this case.
 
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r_olson_06

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I agree. I know the WF swivels have all sorts of letters up to K is the highest I have seen. It would be good to do a research project on this hypothesis.
:+1:

As I have noted before, akin to the letters we sometimes see on some WF- series tools, in my opinion. More letters, because it was later production (i.e., more plants, lines, etc.) And, also as I have noted before, like those WF- letters, I don't think this code can be cracked empirically, through examples and inference. We're going to need documentation on this case.

Looking for the following Plomb Pebbles Wrench 3061
 

RubiconJK

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:+1:

As I have noted before, akin to the letters we sometimes see on some WF- series tools, in my opinion. More letters, because it was later production (i.e., more plants, lines, etc.) And, also as I have noted before, like those WF- letters, I don't think this code can be cracked empirically, through examples and inference. We're going to need documentation on this case.

I agree. I know the WF swivels have all sorts of letters up to K is the highest I have seen. It would be good to do a research project on this hypothesis.

I'm in. Lugz, when you say documentation, what are you looking for? I remember this coming up on the Plomb thread before, but will need to look back to see if we even went as far as documenting examples.
 

Private Lugnutz

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It's definitely come up before and we used to have a fairly extensive write-up on the subject on TA 1.0. I am sure it will be revived on TA 2.0.

When I say documentation, I mean factory documentation, not something we can produce. I don't believe that any amount of examples and inference will be able to tell us what (or where) the "C" in "4C" is as opposed to the "K" in "WF-23 K". I could be wrong. But I am doubtful n this one, and you know I don't shy away from research projects.
 
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