Kitchen window jars

[No gold in NY]

Today I noticed the back light on my pint jars warranted a pic. Noticed there was no Mason's jar there and went looking. Found one in a wooden crate in the garage. After cleaning it up I noticed those black specks. Close inspection reviled the two upper ones were bits of iron. The two lower ones were glassed over and did not attract the magnet. Then I noticed what looked like a diggers scratch that ran from bottom to top. The jewelers loupe showed the scratch had tiny bubbles in and along it. Strange and interesting jar.

 

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[GB1]

neat looking jars

 

[Tpmetal]

so that "Scratch" is what we call a cord in the glass industry. Usually caused by an imcomplete mix in the melt, or the refractory containing the glass dissolves into it changing the glass and the different/incomplete melt part of the glass gets dragged into the rest of the good glass creating a cord. also the little things in glass are called stones usually a piece of unmelted silica, refractory, iron or what ever else got into the melt.

 

[No gold in NY]

Thanks Tpmetal. nice to know these things have a name.

 

[Rookster]

Nice jars.

 

[docweiser]

Now fill those jars with gold coins!

 

[NJKLAGT]

Nice jars! I love jars.

Here's a jar that I dug, with the strangest glass characteristic I've come across, I'm not sure whether this would be a 'cord' or something else...

 

[No gold in NY]

Nice jars! I love jars.

Here's a jar that I dug, with the strangest glass characteristic I've come across, I'm not sure whether this would be a 'cord' or something else...

View attachment 1762859

Your lines look very similar to mine with the bubbles all along it.

 

[Tpmetal]

Nice jars! I love jars.

Here's a jar that I dug, with the strangest glass characteristic I've come across, I'm not sure whether this would be a 'cord' or something else...

View attachment 1762859

thats an odd one right there. The shape of yours is what confuses me, never seen cords like that. Cords are called that because of the string like appearence as a result of how they are pulled from the furnace(also often wrapped or in a large curve around the vessel because of gathering the glass(twisting it up on the end of blow pipe). Your's looks almost like someone went into a too hot mold with too hot glass or something and the glass actually stuck and burned the mould a bit? at least thats my best guess, just can't see how that shape would be gathered from a furnace.

 

[NJKLAGT]

thats an odd one right there. The shape of yours is what confuses me, never seen cords like that. Cords are called that because of the string like appearence as a result of how they are pulled from the furnace(also often wrapped or in a large curve around the vessel because of gathering the glass(twisting it up on the end of blow pipe). Your's looks almost like someone went into a too hot mold with too hot glass or something and the glass actually stuck and burned the mould a bit? at least thats my best guess, just can't see how that shape would be gathered from a furnace.

Yeah, it's a weird one. I originally thought that it was damage, like a giant scratch/scuff mark, but when I got home and cleaned it I realized that it was this sort of graphite/ash-like birth mark. There are no bubbles in there, just these little flakes of whatever it is. My guess is pretty much the same, or that it's mould related anyway. I wonder if there was something in the mould that got burnt to the glass, like a piece of paper or something that somehow found its way in there. No idea!

 

[sandchip]

Here's a half-gallon that a friend let me have for 20 bucks and helping appraise some bottles that he had come across. Another Friday the 13th survivor. No real unusual characteristics like cords, etc., just bubbly and whittly.

 

[NJKLAGT]

View attachment 1763182 View attachment 1763183

20 bucks? That's a bit steep. What an ugly jar, and a repro no less...

HAH! Really, you've got the nicest, cleanest glass ever, Chip. That jar is downright dreamy.

 

[Tpmetal]

Yeah, it's a weird one. I originally thought that it was damage, like a giant scratch/scuff mark, but when I got home and cleaned it I realized that it was this sort of graphite/ash-like birth mark. There are no bubbles in there, just these little flakes of whatever it is. My guess is pretty much the same, or that it's mould related anyway. I wonder if there was something in the mould that got burnt to the glass, like a piece of paper or something that somehow found its way in there. No idea!

Could be something like that, could even be where it stuck to a wood mold. hard to say