Erater Unterricht in der Mineralogie, Entworfen

✅ This work ⚙️ has been selected by scholars as being culturally important, and ➕ is part of the knowledge base of civilization as 👥⬅️ 💡 it. This ⚙️ was reproduced from the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and ➕ remains as true to the original work ⚙️ as possible. Therefore, you ➡️👤 will see 👀 the original copyright ©️ references, library stamps (as most of these works ⚙️ have been housed in our 👥⬅️ most important libraries around the world 🗺️), and ➕ other notations in the work.This work ⚙️ is in the public domain in the United States of America ​🇺🇸​, and ➕ possibly other nations. Within the United States, you ➡️👤 may freely copy and ➕ distribute this work ⚙️, as no entity (individual or corporate) has a copyright ©️ on the body 👃 of the work.As a reproduction of a historical artifact, this work ⚙️ may contain missing or blurred pages 📃, poor pictures 🖼️, errant marks ❣️, etc. Scholars believe 💜, and ➕ we 👥⬅️ concur, that this work ⚙️ is important enough to be preserved, reproduced, and ➕ made 🛠️ generally available to the public. We 👥⬅️ appreciate your support of the preservation process, and ➕ thank 💭 you ➡️👤 for being an important part of keeping this knowledge alive and ➕ relevant.

Также: