ANALYTICAL
14 A
CHEMISTRY
ruggedness is important in laboratoryware, too! PYREX brand West condensers combine strength with high efficiency. Allglass construction permits thin inner wall for high heat transfer with heavy outer jacket for protection. Bulges at jacket ends a d d additional strength and provide ideal surface for strong seal to side arms.
PYREX brand watch glasses are molded to give them greater strength than ordinary blown glasses. Exact curvature permits easy stacking. High, chemical stability protects solution from glass contamination when used as beaker covers.
The straight sides of PYREX brand f " joints provide extra strength where needed. They also assure a more dependable clamping surface. Inner joints are also ruggedly constructed from hand-tooled blanks. Precision grinding to assure positive sealing.
Enemies of the armadillo find him tough to harm. When things get rough, he simply curls u p into a ball and presents a hide of small bony plates. This discourages eating. Rugged armor, acquired naturally, probably makes the armadillo quite happy. You will be pleased with the ruggedness of laboratory glassware made from P Y R E X brand glass No. 7740. The properties of this glass are balanced specifically for laboratory use. Its low expansion assures protection from thermal breakage and permits heavier construction for physical strength. Its chemical stability resists the corrosive action of practically all chemicals and reduces the possibility of contamination from glass. Its ease of working makes it economical to produce either hand-fabricated or machine-made articles. So, for long dependable service ask your laboratory dealer for glassware with the P Y R E X trade-mark.
the laboratory glassware that gives you economy, accuracy, durability
C O R N I N G GLASS WORKS, Corning, New York Corning means research in Glass
