Alarm device for prefixed limit applicable to the administration of series. (Machine-translation by Google Translate, not legally binding)

摘要

Alarm device by predetermined limit, applicable to the administration of sera, characterized by being constituted essentially by a basculating body in the manner of a roman from which the serum bottle is suspended in such a way that when the level of the liquid falls and the step is lost, the counterweight arm inside, a drop of mercury inside a tube closes a circuit sounding the alarm. (Machine-translation by Google Translate, not legally binding)