EditorialMine tunnel, Illustration of a mine tunnel from the 18th century, N ? 23, after p. 68, 1700, Balthasar R?ssler, Johann Christoph Goldberg: Speculum metallurgiae politissimum oder Hell-polierter Berg-Bau-Spiegel [...]. Das dritte Buch. Dresden: bey Joha...
Editorialdowsing, Illustration of the search for ores by dowsing route from the 18th century, N ? 4, after p. 14, 1700, Balthasar R?ssler, Johann Christoph Goldberg: Speculum metallurgiae politissimum oder Hell-polierter Berg-Bau-Spiegel [...]. Das erste Buch. ...
EditorialMine tunnel, Illustration of a mine tunnel from the 18th century, N ? 23, after p. 68, 1700, Balthasar R?ssler, Johann Christoph Goldberg: Speculum metallurgiae politissimum oder Hell-polierter Berg-Bau-Spiegel [...]. Das dritte Buch. Dresden: bey Joha...
Editorialfire Place, 18th century depiction of the setting of fire, N ? 15, after p. 76, 1700, Balthasar R?ssler, Johann Christoph Goldberg: Speculum metallurgiae politissimum oder Hell-polierter Berg-Bau-Spiegel [...]. Das dritte Buch. Dresden: bey Johann Jaco...
Editorialdowsing, Illustration of the search for ores by dowsing route from the 18th century, N ? 4, after p. 14, 1700, Balthasar R?ssler, Johann Christoph Goldberg: Speculum metallurgiae politissimum oder Hell-polierter Berg-Bau-Spiegel [...]. Das erste Buch. ...