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・ Friedrich Julius Stahl
・ Friedrich Gollwitzer
・ Friedrich Goltz
・ Friedrich Gorenstein
・ Friedrich Gottfried
・ Friedrich Gottfried Abel
・ Friedrich Gotthilf Osann
・ Friedrich Gottlieb Barth
・ Friedrich Gottlieb Bartling
・ Friedrich Gottlieb Klopstock
・ Friedrich Gottlieb Stebler
・ Friedrich Gottlieb Süskind
・ Friedrich Gottlieb Welcker
・ Friedrich Gottlob Haase
・ Friedrich Gottlob Hayne
Friedrich Gottlob Keller
・ Friedrich Gottlob Schulze
・ Friedrich Gottlob Uhlemann
・ Friedrich Graf Kleist von Nollendorf
・ Friedrich Graf von Waldersee
・ Friedrich Graf von Wrangel
・ Friedrich Griese
・ Friedrich Grillo
・ Friedrich Groos
・ Friedrich Grünanger
・ Friedrich Grützmacher
・ Friedrich Guggenberger
・ Friedrich Guimpel
・ Friedrich Gulda
・ Friedrich Gumpert


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Friedrich Gottlob Keller : ウィキペディア英語版
Friedrich Gottlob Keller

Friedrich Gottlob Keller (born June 27, 1816 in Hainichen, Saxony – died September 8, 1895 in Krippen, Saxony) was a German machinist and inventor, who (at the same time as Charles Fenerty) invented the wood pulp process for the use in papermaking. He is widely known for his wood-cut machine (used for extracting the fibres needed for pulping wood). Unlike Charles Fenerty, F.G. Keller took out a patent for his wood-cut invention.〔(Burger, Peter ). ''Charles Fenerty and his Paper Invention''. Toronto: Peter Burger, 2007. ISBN 978-0-9783318-1-8 pp.28, 33-34〕
== History of paper (before 1844) ==
(詳細はPapyrus) c3000 BC. And in 105 AD, Ts'ai Lun〔(Burger, Peter ). ''Charles Fenerty and his Paper Invention''. Toronto: Peter Burger, 2007. ISBN 978-0-9783318-1-8 pp.28, 30, 82〕 a Chinese inventor, invented modern papermaking using rags, cotton, and other plant fibres by pulping it. Then in the 18th century a French scientist by the name of René Antoine Ferchault de Réaumur suggested that paper could be made from trees.〔(Burger, Peter ). ''Charles Fenerty and his Paper Invention''. Toronto: Peter Burger, 2007. ISBN 978-0-9783318-1-8 pp.30-33〕 Though he never experimented himself, his theory caught the interest of others, namely Matthias Koops. In 1800 Koops published a book on papermaking made from straw. Its outer covers were made from trees. His method wasn't like Fenerty's (pulping wood); instead he simply ground the wood and adhered it together. His book does not mention anything to do with wood pulping.〔(Burger, Peter ). ''Charles Fenerty and his Paper Invention''. Toronto: Peter Burger, 2007. ISBN 978-0-9783318-1-8 pp.30-32〕〔Even in some books mentioning Koops' discovery will say or suggest that his book was made partially from wood pulp. But this is not the case. Koops clearly outlines his method for making paper from straw and trees. The closes he ever got was taking wood shavings and adhering them and pressing them together to make a sheet of paper.〕

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