Corning® Pyrex® Hydrometer Cylinders
By Corning![Corning® Pyrex® Hydrometer Cylinders](https://krackeler.com/timthumb.php?w=300&h=350&zc=3&src=%2Fgraphics%2F0001%2Fjpg%2F2962-sm.jpg)
These Pyrex® hydrometer cylinders have a large hexagonal base sealed to the cylinder body to increase stability. Breakage is minimized by the heavy wall construction. Ungraduated. With beaded rim. Meets ASTM specifications D-287 and E-100.