History of anthracite coal mining in Pennsylvania saved up to 25% in the production of iron, and that the quality of the iron was also superior (Adams, “US Coal Industry”). By the 1850s anthracite was used in the manufacture of about half of all crude iron produced in the US. The increased efficiency of anthracite heat was also instrumental in the manufacture of metal machinery and the transformation of water into steam for machinery power (Dublin, Licht, 17). The Civil War created a shift in the makeup of the anthracite coal industry. Prior to the war, the industry involved many small-scale mines with short-term leases resulting in
What is a Masterpiece? What is a Masterpiece? What is a Masterpiece? is a 1979 non-fiction book by British historian Kenneth Clark. It is a transcribed version of the Walter Neurath memorial lectures given by Clark. The work, initially released on 1 January 1979, received a Thames & Hudson republication on 1 May 1992. Kenneth Clark had already achieved fame with a series of popular books while also serving as, from 1969 on, the writer, producer and presenter of the BBC programme, "Civilisation", a pioneering television documentary series. The prestigious series earned a Peabody Award as well as general commercial success. In the work,