glass

I was detecting a site that is mid 1800s at the oldest. So, I was surprised to find what looks like to be 18th century glass. Is this truly from an 18th century bottle like from an onion bottle? Any thoughts or ideas help. Thanks!

My house was built in the 1830s. When renovating I found this under the floor boards. Ive been researching for years and havent had much luck. I know its made in Germany pre WW2 and thats about it. If anyone has ideas they are very much welcomed and appreciated. The item is glass and is about...

Today I visited a woodworking shop to buy a used power tool. The owner showed me a box of hand-blown bottle stoppers he had found underneath the floor of an old pharmacy during a renovation. There are about 150 stoppers in the box, in three colors: black, deep blue and cyan/teal. All are...