2012, Joseph von Fraunhofer 1v
Add to wishlistjoseph von fraunhofer (6 march 1787 - 7 june 1826) was a german optician. he is known for the discovery of the dark absorption lines known as fraunhofer lines in the sun's spectrum, and for making excellent optical glass and achrom
Product specifications
| SKU Parent: | swd31204 |
|---|---|
| Pays: | Allemagne, République Fédérale |
| Année: | 2012 |
| No. Fsc: | 31204 |
| No. Michel: | 2907 |
| Est Unique: | Non |
| Date d'entrée: | 7 mai 2024 |
| Type de Produit: | Series de Timbres |
