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
In Certain Circles alive" praising it as "a graceful reply to the questions of what really shapes us, and what might actually constitute a wasted life." The "Wall Street Journal" called the novel "a treasure from an unearthed time capsule" and praised Harrower as "one of the great Australian writers of the postwar era." In 2015 it won the Voss Literary Prize for best novel published in 2014. In Certain Circles In Certain Circles is an Australian novel by Elizabeth Harrower. Though the novel was written sometime in the late sixties and early seventies it was not published until 2014 when it became