Today I removed the phrase "(the exact date is unknown)", which was incorrect, end of Ohio Valley Glass is a known date, I was being careful with my analysis, but the date was actually stated in the source I found on the web, which even had a picture of one of the bottles, which I was afraid to try to link due to my own lack of ability with using that format. 1851 is the exact date (according to at least one websource) and is an exact enough date to justify not using that phrase. However, I will leave the modifier until after I recheck the source. Otherwise all other additions to article are very good.John5Russell3Finley 16:48, 17 July 2007 (UTC)Reply
