In the states, we call them an Acme thread. Usually associated with something very heavy. They are also used when something needs to move quickly...
Amazing job restoring the chair
Agreed, none of the metal pieces work with any oil lamp
I have heard of a jeweler squeak a 1/2 size larger. But, a good jeweler would correctly size the ring. If you like the ring correctly size it. If...
I am not sure that it was an oil lamp. But, regardless it is electrified now. I know of no real value, except as an electric lamp
I do not see any schreger lines. Have you tried a black light test?
I am seeing a very poor sand casting. If you look at the inside you see a bumpy surface that looks like sand nodules. The outside was polished and...
Seams along both sides are a big indicator of age. If you look at the top of the bottle has seam lines it is relatively modern. Is the bottle...
Where is the bottle diggers group? I have been looking for one.
I have dug many bottles with that cloudy feature. I was told it was caused by minerals that leached out from the dirt when it was buried
The CDC does not recommend using bleach on any soft surfaces! Do you recommend the use of bleach on soft surfaces?
Use a mold killer, not bleach! https://www.ecofmr.com/articles/never-use-bleach-to-treat-clean-mold/
Can you take a photo of the bottom?
Sorry! Definitely not a sought-after lamp.
The stopper is definitely a marriage, in my opinion.
I am with you on that! A stopper is used to seal the liquid in the bottle. If you can put water in the base/bottle, close the stopper and shake!...
Thank you for sharing a treasure! They are much too rarely seen today!
I wish I could make out the writing on the wick knob! (Cited from: https://www.antiquers.com/threads/oil-lamp-could-you-help-me-date-it-please.65117/)
The glass chimney does not look original to the piece. If you can take better pictures of the burner & wick knob. That is the only way to really...
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