single original desirable embossed vintage american industrial clear glass research laboratory reagent bottle fabricated by the corning glass works, new york city, ny. the baked-on clear glass pyrex bottle retains the original ground glass removable disc-shaped glass stopper. the clear glass bottle with sloping shoulders and slightly flared lip contains various manufacturer markings along the smooth base. red and white enameled lettering reading the chemical systemic name and formula "nitric acid dil. hno 3" wraps around the bottle body. the bottle might be considered "new old stock" or overstock. the bottles were salvaged from chemistry department laboratories located at the university of chicago, il. considered antiquated and/or outdated, the bottles along with other laboratory equipment were simply going to be discarded. we secured dozens and dozens of various reagent bottles, miscellaneous glassware, retort stands and signage from the newly renovated laboratories.