An apparatus for determining the viscosity of a fluid.


Related Terms

OZONE GENERATOR

Apparatus that converts oxygen, O2, into ozone, O3, by subjecting the oxygen to an electric-brush discharge. Also known as ozonizer.

OEHMAN'S SURVEY INSTRUMENT

A drillhole surveying apparatus that makes a photographic record of the compass and clinometer readings.

METEOROLOGICAL INSTRUMENTATION

Apparatus and equipment used to obtain quantitative information about the weather.

MANOCRYOMETER

An instrument for measuring the change of a substance's melting point with change in pressure; the height of a mercury column in a U-shaped capillary supported by an equilibrium between liquid and solid in an adjoining bulb is measured, and the whole apparatus is in a thermostat.

LUNG-GOVERNED BREATHING APPARATUS

Abreathing apparatus in which the oxygen that issupplied to the wearer is governed by the wear-er's demand.

LINE OILER

An apparatus inserted in a line conducting air or steam to an airor steamactivated machine that feeds small controllable amounts of lubricating oil into the air or steam. Also known as air-line lubricator; line lubricator.

INJECTOR

1. An electrode through which charge carriers (holes or electrons) are forced to enter the high-field region in a spacistor. 2. An apparatus containing a nozzle in an actuating fluid which is accelerated and thus entrains a second fluid, so delivering the mixture against a pressure in excess of the actuating fluid. 3. A plug with a valved nozzle through which fuel is metered to the combustion chambers in dieselor full-injection engines. 4. A jet through which feedwater is injected into a boiler, or fuel is injected into a combustion chamber.

INGEN-HAUSZ APPARATUS

An apparatus for comparing the thermal conductivities of different conductors; specimens consisting of long wax-coated rods of equal length are placed with one end in a tank of boiling water covered with a radiation shield, and the lengths along the rods from which the wax melts are compared.

HOPE'S APPARATUS

An apparatus consisting of a vessel containing water, a freezing mixture in a tray surrounding the vessel, and thermometers inserted in the water at points above and below the freezing mixture; used to show that the maximum density of water lies at about 4 C.

HOOKUP

An arrangement of circuits and apparatus for a particular purpose.

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