Note 1 — VOLUME VI SLICE V Clervaux to Cockade (continued 9)
Reading edition
The illustrations in this article are from Prof. G. Lunge’s Coal Tar and Ammonia, by permission of Friedrich Vieweg u. Sohn.
Reading edition
The illustrations in this article are from Prof. G. Lunge’s Coal Tar and Ammonia, by permission of Friedrich Vieweg u. Sohn.