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3 janv. 1859 - Robert Bunsen invented the spectroscope. Robert Bunsen also improved the gas burner for his spectroscopy work. The Bunsen-Kirchhoff award for spectroscopy was named after him and Kirchhoff.

Ajouté au bande de temps:

9 déc. 2017
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Date:

3 janv. 1859
Maintenaint
~ Il y a 166 ans