Editorial Reviews - Telemark From the Publisher Kapitel: Rjukan, Telemarkkanal, Rjukanbahn, Jomfruland, Vrangfoss, Gaustatoppen, Troll, Dalen, Arendalsvassdraget, Haukeliseter, Herøya, Selma, Krossobanen, Lunde, Kviteseidvatnet, Bandak, Norsjø, Nisser, Telemarksvegen, Skiensvassdraget, Tinnsjå, Hochschule Telemark, Heddal, Vråvatn, Haukelifjell, Møsvatnet, Grenland, Flåvatn, Åmlivatn, Tokke, Frierfjord, Fyresvatn, Byrtevatn, Seljordsvatn, Morgedal, Skredvatn, Totak, Kalhovdfjorden, Sundsbarmvatnet, Nesvatn, Birtevatn, Heddalsvatnet, Songavatn, Borsæ, Botnedalsvatn, Folurdvatnet, Langøya, Nordagutu, Langesund, Maskat. Aus Wikipedia. Nicht dargestellt. Auszug: Rjukan is a town and the administrative center of Tinn municipality in Telemark (Norway). It is situated in Vestfjorddalen, between Møsvatn and Tinnsjå, and got its name after Rjukanfossen ("The Smoking Waterfall") west of the town. The Tinn municipality council granted township status for Rjukan in 1996. The town has 3 386 inhabitants (Jan. 2007). Rjukan was formerly a significant industrial centre in Telemark, and the town was established between 1905 and 1916 when Norsk Hydro started saltpetre production there. Rjukan was chosen because Rjukanfossen, a 104-metre waterfall, provided easy means of generating large quantities of electricity. The man with the idea to use the Rjukan falls was Sam Eyde, the founder of Hydro. It is estimated that he together with A/S Rjukanfoss (later Norsk Hydro) used about 2 times the national budget of Norway to build Rjukan and that there were at the most approx. 12,000 workers (Rallare) from Sweden, Denmark, and Finland as well as Norway building the factories and the town. In 1934 Norsk Hydro built what was at the time the world's largest power plant at Vemork in Rjukan, and with it a hydrogen plant. A by-product of hydrogen production via water electrolysis was heavy water. It was the later winne