Barrett style used in the determination of water in petroleum or bituminous products. Stopcock is PTFE.

Barrett style used in the determination of water in petroleum or bituminous products. Stopcock is PTFE. With an overflow tube.

Stopcock is PTFE.

Graduated distilling receiver with a top outer joint at a 105° angle. Used to withdraw a fraction of the distillate without interrupting the reaction process.

Graduated distilling receiver with a straight top. Used to withdraw a fraction of the distillate without interrupting the reaction process.