Vintage PYREX 32oz 1000ml Apothecary Graduated Cylinder Beaker Pharmacy Glass

Vintage Pyrex USA Graduated Cylinder Beaker | 1000ml / 32oz | c. 1930s–1940s Tall footed apothecary-style graduated cylinder in clear borosilicate glass. Dual-scale markings in both oz and ml. Bears the early circular “T.M. REG. / PYREX / U.S. PAT. OFF. / Made in U.S.A.” stamp, dating this piece to the late 1930s–early 1940s. 11.25” H x 4.25” D at the base No chips or cracks visibly seen or felt. There is an internal stress line visible in the glass at the 300 mL line — it does not affect structural integrity or function. Please examine pictures carefully. A beautiful piece of American lab glass history — equally at home in a collection or as a striking decorative accent.