("Louisville KY Glass Works" is the actual wording on some of their embossed whiskey flasks of the 1850s and 1860s era).
That bottle making firm was located on the southeast corner of Franklin and Clay Streets.
However, that firm was defunct by 1873, and bears no relationship to the much later glassmaking business that operated in the old Sneath building under the name "Louisville Glassworks".
[2] The downtown location has historically been known as the Snead Manufacturing Building, and was put on the National Register in 1978.
Since 2012, The Louisville Glassworks building has been home to Flame Run Glass Studio and Gallery, who relocated there from their previous location in the NuLu district, and also the home of the Mark Payton Glass Center, The Foundry at Glassworks, and various other businesses on the top floors.