COPY - 3 Pyrex 500mL Neck Round Distilling Flask Chemistry Elementary College S…

These 3 vintage PYREX 500 Long Neck Round Boiling Flask with Flat Bottom and Stopper was manufactured before 1930 in the USA. This scientific instrument falls under the category of Microscopes & Lab Equipment and is indicative of the high-quality laboratory glassware produced by PYREX during this time period. With its long neck design, round shape, and flat bottom, this boiling flask would have been used for various laboratory experiments and processes. The inclusion of the stopper adds functionality to the flask, allowing for secure containment of liquids during heating or mixing procedures.