Pyrex

Approximate graduations are in durable white enamel. An extra large marking space is also provided. Heavy, durable top tooling.

Furnished with deep-form phenolic caps to facilitate handling and sealing after autoclaving.

Rimless for greater convenience in plugging and rack storage. Walls and bottoms are of uniform ­thickness. Ends are fire-polished.

Beaker, with spout, manufactured with uniform wall thickness, offers optimum balance between thermal shock resistance and mechanical strength.