Autograph letter signed : Berlin, to Wilhelm von Beetz, 1860 Sept. 28.
Related Entities
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Magnus, Gustav, 1802-1870
http://n2t.net/ark:/99166/w6pr7zxz (person)
German chemist and physicist. From the description of Autograph letter signed : Berlin, to Wilhelm von Beetz, 1860 Sept. 28. (Unknown). WorldCat record id: 270605503 ...
Beetz, Friedrich Wilhelm Hubert von, 1822-1886,
http://n2t.net/ark:/99166/w6pc3d8h (person)