This receiver has an upper joint at a 105° angle

It is designed for operation other than at atmospheric pressure. Vacuum is applied to the side arm with the T-bore stopcock. The secondary receiver is vented by means of the lower stopcock. The capacity from the bottom of the drip to the stopcock is 2.5 mL. [ST] 14/20 outer joint at top; [ST] 14/20 inner joint at bottom. Tubing connections are 8 mm O.D. olive type. Fabricated from borosilicate glass.