Charcoal burning Pit being filled with wood right covered with earth and bracken, then slowly burned to produce charcoal. Inferior to charcoal burned in heaps. From Biringuccio De la Pirotechnia Venice 1540. Woodcut. Editorial Stock Photo - Afloimages
Charcoal burning: Pit being filled with wood (right) covered with earth and bracken, then slowly burned to produce charcoal. Inferior to charcoal burned in heaps. From Biringuccio 'De la Pirotechnia' Venice 1540. Woodcut.