1 июл 1814 г. - Joseph Von Fraunhofer's Spectrometer

Описание:

The spectrometer was a invention used in the Industrial revolution. It was invented by a German inventor named Joseph Von Fraunhofer. His early invention was made to allow the chemical analysis of glowing objects. Even though Joseph didn't know it, his invention would have a great impact in the scientific world. We now know what the sun is made of because of him.

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