I found these three bottles that look like they may have contained the same thing. One has a very small portion of the label intact. I'd love to know more about them. One even had a cap still on, though the liquid was gone.
We bought a 100-year-old house in the Baltimore area (maybe 30 minutes from Catonsville) in April, and we've been doing some removal of the ground floor flooring to address termites and encapsulate the crawl space. My husband texted me today that he found a soda bottle beneath our kitchen...