An ammeter or current meter is a measuring instrument that measures the magnitude of electric current. ...

An ammeter or current meter is a measuring instrument that measures the magnitude of electric current. ...

An ammeter or current meter is a measuring instrument that measures the magnitude of electric current. ...

A wattmeter is an analogue electrical measuring instrument used to calculate electrical power. This wattmeter was ...

A wattmeter is an analogue electrical measuring instrument used to calculate electrical power. This wattmeter was ...

A wattmeter is an analogue electrical measuring instrument used to calculate electrical power. This wattmeter was ...

An oscilloscope is an electronic measuring instrument that can effectively visualise cyclic variations in an electrical ...

This analogue moving coil device was used in an electronic clock. The time corresponded to an ...

Ovalen medaillon met een voorstelling van de Annunciatie aan Maria. Een deel van de voorstelling, met ...

Reliëf in zandsteen, afkomstig van het altaar van Petrus Celestinus onder het doksaal van de kerk ...

An ammeter or current meter is a measuring instrument that measures the magnitude of electric current. ...

An ammeter or current meter is a measuring instrument that measures the magnitude of electric current. ...

An ammeter or current meter is a measuring instrument that measures the magnitude of electric current. ...

A voltmeter is a device used to measure electrical voltage. The value is indicated in volts. ...

Ovalen medaillon met een geschilderde voorstelling van een bakker die voor zijn oven staat, waarin het ...

This vacuum meter was used for measuring pressure below atmospheric pressure.