Great shards, in the morning, GB,
Those are some beautiful black glass bits. I'm struggling with this base lettering on the above base, this base is an early example of the Henry Ricketts style patent mould. I suspect the "Bris..." is Bristol, and I believe it would have been, "Many or most actual Ricketts' produced bottles are embossed on the base with H. RICKETTS & CO. GLASS WORKS BRISTOL, date between 1821 and 1853, and almost always have a sand pontil scar (Jones 1983; Boow 1991).
Bottle Bases Page
H Ricketts Co Glass Works with Beaded Seal Pontil Good Shape | eBay
The piece in your palm, above, is part of the lip of a Dutch Pig snout case gin.
I'd ask if you can get more Macro on some of these, please.
As to glass houses, and pointing to one particular glass works, or another, that's gonna be tough, I'm sure we can come up with some possibilities, though...
Here's one, to start, Falcon Glass Works:
http://www.inchicore-pressedglass-museum.org/Pellatt%20Glassmakers.pdf, though they seemed to feature fancier goods than these utilitarian vessels...
I'm anxious to hear backstory, and to learn if this site is still accessible...
Thanks for showing us. Lemme do some more looking around.
Bottle Bases Page