Yes, the darker bottle with rough glass has an M on the bottom. The other has what looks like a faint "'ll".
Here are some better pictures of the areas you asked about.
I have a few of those. It is some sort of medicine or pill bottle from about 1900's or a little earlier.
Anyone? Still need help. Please?
take care cleaning the hillbilly mountain dews with names on them.also the indian head & any picture bottles. they are probably the most valuable bottles you pictured.
Meyer Brunnen Welder Gavel Wasser clay bottle
That's a mouthful. lol
J Bourne and Son
Near Derby (England)
Pottery Ink Bottle
Repurposed with a Writing Fluid label by Thaddeus David's & Co, New York?
Is there any writing on the bottoms of the bottles.
The one on the left looks like it is a tooled top and the one on the right an applied top. Hard to tell with the glare.
The rough texture of...