A thermodynamic turbine in which steam is made to do work by expanding so as to create kinetic energy by acting on moving blades attached to a disc or drum.

A thermodynamic turbine in which steam is made to do work by expanding so as to create kinetic energy by acting on moving blades attached to a disc or drum.

An electrical connector capable of withstanding submersion to a specified depth.

An electrical connector capable of withstanding submersion to a specified depth.

A physical object that is protecting against a large but momentary increase in the voltage of an electric circuit.

A physical object that is protecting against a large but momentary increase in the voltage of an electric circuit.

A switchgear and controlgear bearing a set of switches for connecting and disconnecting the various circuits of an electrical system, as of a telegraph, telephone, etc.

A switchgear and controlgear bearing a set of switches for connecting and disconnecting the various circuits of an electrical system, as of a telegraph, telephone, etc.

A physical object that is a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures.

A physical object that is a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures.

An instrument panel dedicated to a particular system.

A physical object that converts sound signals into corresponding variations of electric current (or potential), which is transmitted by wire or radio to a distant point where it is reconverted into sound.

A physical object that converts sound signals into corresponding variations of electric current (or potential), which is transmitted by wire or radio to a distant point where it is reconverted into sound.

A detector intended to detect temperature.

A detector intended to detect temperature.

A detecting element intended to sense temperature.

A gauge that is intended to measure and indicate a temperature.

A gauge that is intended to measure and indicate a temperature.

A regulator that is intended to keep a temperature within certain boundaries.

A regulator that is intended to keep a temperature within certain boundaries.

A functional switch that is intended to give an on or off signal when the temperature have reached a pre-set value.

A functional switch that is intended to give an on or off signal when the temperature have reached a pre-set value.

A transmitter that is producing a standardized output signal dependent of a received input signal from a temperature element.

A transmitter that is producing a standardized output signal dependent of a received input signal from a temperature element.

An 'artefact' intended for the termination of cables.