A pyrometer is a device to the remote temperature-so without contact-to measure. The functioning of the pyrometer based on Wien's displacement law.
The pyrometer measures the wavelength in the infrared or visible light in which an object gives off most radiation to determine its temperature.
This device was created and marked by Eugène Ducretet in Paris around 1900. The item is in good working condition and is finished in brass with its original paint. Length of this object is 24.5 cm. Eugène
pyrometer (1)
