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
A Certain Justice on the limitations of the criminal justice system. In a 1997 book review for "The New York Times", Ben Mcintyre called the book "vintage James" and summarized it as "a book in which revenge is not quite sated and deserts are not always just. That may not be the most satisfying conclusion, but it contains a certain truth." A television version of the novel was produced for Britain's ITV network in 1998. It starred Roy Marsden as Adam Dalgliesh. A Certain Justice A Certain Justice is an Adam Dalgliesh novel by P. D. James, published in 1997. A three episode