Medieval technology that its potential was fully achieved. Artesian well (1126) A thin rod with a hard iron cutting edge is placed in the bore hole and repeatedly struck with a hammer, underground water pressure forces the water up the hole without pumping. Artesian wells are named after the town of Artois in France, where the first one was drilled by Carthusian monks in 1126. Central heating through underfloor channels (9th century) In the early medieval Alpine upland, a simpler central heating system where heat travelled through underfloor channels from the furnace room replaced the Roman hypocaust at some places. In Reichenau
Book of the First Monks caused this manuscript to be questioned today. The original charism of the Carmelite hermits, which still animates the spirituality of many contemporary Carmelites and the cloistered contemplative life of other hermits, monks, and nuns, was in imitation of the Prophet Elijah. Carmelite tradition relates that Elijah inspired the early hermits who settled near the spring on Mount Carmel, Palestine which bear's Elijah's name. Most often quoted from the "Book of the First Monks" is the following passage in which Elijah is named as the spiritual father of the Order: The goal of this life is twofold. One part we acquire,