Author: Jean-Daniel Colladon (1802-1893). Source: This illustration appears in "La Nature" magazine in 1884 and it is reproduced in modern-day accounts of the history of fiber optics including Jeff Hecht's book Story of Fiber Optics and i-fiberoptics.comarchive copy at the Wayback Machine. Collodon first described the system in an article in "Comptes Rendus" 1842, and described it again in 1884 in "La Nature". In the above illustration, water comes out of a short spout on the watertank and then falls through open air, as in a fountain. The device on the illustration's lefthand side produces light and directs a beam of light into the watertank. The demonstration of this "light fountain" needs to be done in a darkened room to see the effect.
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Bu çalışma ABD'de veya yazarın yaşamının sona ermiş olmasından 70 veya daha fazla süre geçtiğinde bu duruma uygun telif yasaları olan tüm ülkelerde kamu malıdır.
Ayrıca bu çalışma ABD'de neden kamu malı olduğuna dair ABD için kamu malı etiketlerini bulundurmalıdır. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
Author: Jean-Daniel Colladon (1802-1893). Source: This illustration appears in ''"La Nature"'' magazine in 1884 and it is reproduced in modern-day accounts of the history of fiber optics including [http://books.google.fm/books?id=_G8B_lU_UHEC&pg=PA13&lpg
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{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} Author: Jean-Daniel Colladon (1802-1893). Source: This illustration appears in ''"La Nature"'' magazine in 1884 and it is re
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