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

Tweeluik. Plaasteren studie voor de stenen reliëfs voor het ministerie van Openbare Werken in Brussel.

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

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.

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

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.

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 ...

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 ...

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 ...

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

The weighing scales are on a wooden box. It has two shallow scales.

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 ...

Barometer with mercury on a wooden board. The barometer was manufactured at KU Leuven.

Barometer with mercury on a wooden board. The operation of the barometer is explained by three ...