Roll-up school chart with a wooden stick at the top and bottom and a thin blue ...

Roll-up school chart with a wooden stick at the top and bottom and a thin blue ...

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 ...

De ontwerpers van de nieuwe hoofdtoegang van de faculteit Sociale Wetenschappen, de architecten Poponcini & Lootens, ...

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

Het uitstekende deel bovenaan dit masker was oorspronkelijk gedecoreerd met pluimen. Verder werden rode graantjes ter ...

Measurement: Instrument for investigating motor fatigue. This is part of the 'Mosso Ergograph' (the 'appareil d'immobilisation') ...

This instrument consists of two red wooden columns with a metal lamella. Mirrors are attached to ...

An ammeter can be used to measure electrical current.

A voltmeter can be used to measure electrical voltages.

A voltmeter can be used to measure electrical voltages.

The weighing scales are in a glass cabinet with a wooden frame and a sliding glass ...

The weighing scales are in a glass cabinet with a wooden frame and a sliding glass ...

Hydrostatic Mohr and Westphal balance. The Mohr balance determines the specific gravity of liquids.

Hydrostatic Mohr and Westphal balance. The Mohr balance determines the specific gravity of liquids.