EditorialFire setting in the pit, Firewood is stacked in the pit and set on fire so that firmer rock can be heated and then more easily mined. Woodcut, p. 84, (Das f?nftft Buch), Manuel, Hand Rudolf (graveur sur bois), 1557, Gregorius Agricola: Vom Bergkwerck X...
EditorialTitle page of the work, Title page from the German translation of Agricolas Vom Bergkwerck (De re metallica libri XII), printer's stamp from Froben, handwritten bookplate by H. R?mer, title page, Manuel, Hand Rudolf (graveur sur bois), 1557, Gregorius ...
EditorialRetraction - danger due to sulfur concentration, The miners pass through the shaft on ropes, ladders or on sprouts into the pit construction (retraction), with the fires the sulfur concentration is measured, woodcut, p. 178, (The sixth book), Manuel, H...
EditorialWashing in troughs, Wash troughs created in the slope are used to wash the tin, inserted sheets hold coarse material back, Handwritten comment on the edge of the page, woodcut, p. 285, (The Eight Book), Manuel, Hand Rudolf (graveur sur bois), 1557, Gre...
Editorialdewatering, A gear is driven by a coiler or an impeller., This moves another wheel on which a chain with larger metal bodies lies., The chain links thus conveyed water from the mine via a borehole, drainage, pp. 160-161, (The Sixth Book), Manuel, Hand ...