An oil manometer with continuous electrical readout.
1968
G Sidenius
UI
MeSH Term
Description
Entries
D008365
Manometry
Measurement of the pressure or tension of liquids or gases with a manometer.
Tonometry,Manometries
D009821
Oils
Unctuous combustible substances that are liquid or easily liquefiable on warming, and are soluble in ether but insoluble in water. Such substances, depending on their origin, are classified as animal, mineral, or vegetable oils. Depending on their behavior on heating, they are volatile or fixed. (Dorland, 28th ed)
D004560
Electricity
The physical effects involving the presence of electric charges at rest and in motion.
D001331
Automation
Controlled operation of an apparatus, process, or system by mechanical or electronic devices that take the place of human organs of observation, effort, and decision. (From Webster's Collegiate Dictionary, 1993)