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 ...

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 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.

Demonstration instrument for electromagnetism. This device was manufactured in Würzburg in 1889 by Wilhelm Siedentopf, the "Royal ...

A coil in an electrical circuit generates induction and also has a specific resistance.

A galvanometer that can be hung up.