Charcoal burning Building pyramid of wood right to be covered with bracken and earth, then slowly burned left to produce charcoal. Superior to charcoal produced in pits. From Biringuccio De la Pirotechnia Venice 1540. Woodcut. Editorial Stock Photo - Afloimages
Charcoal burning: Building pyramid of wood (right) to be covered with bracken and earth, then slowly burned (left) to produce charcoal. Superior to charcoal produced in pits. From Biringuccio 'De la Pirotechnia' Venice 1540. Woodcut.