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 ...

Houten, conisch gesneden stok, aan de onderzijde uitgehold, met daarin een kleiner conisch stokje van lichtere ...

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

Snoer van kleine vruchtenschaaltjes ("ntsalala"), dat aan de pols of enkel van een danser of muzikant ...

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. ...

Potje met drie houten figuurtjes. "Dit ritueel object zou, aldus [Leo] Bittremieux, gebruikt zijn voor de behandeling ...

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

Miniatuur gleuftrommel, met bovenaan het hoofd van een man. Rond de nek hangt een touwtje. In ...

Dubbel mandje van palmvezel. Cilindervormig op vierkante basis. Met touw om op te hangen.