Autograph letter signed : Erlangen, to Wilhelm von Beetz, 1869 May 30.
Related Entities
There are 2 Entities related to this resource.
Beetz, Friedrich Wilhelm Hubert von, 1822-1886,
http://n2t.net/ark:/99166/w6pc3d8h (person)
Lommel, Eugene, 1837-1899
http://n2t.net/ark:/99166/w62j6g75 (person)
German physicist. From the description of Autograph letter signed : Erlangen, to Wilhelm von Beetz, 1869 May 30. (Unknown). WorldCat record id: 270590596 ...