the pulley was invented in ancient sicily around 250 BC.
http://wiki.answers.com/Q/What_is_the_history_of_the_pu...
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Pulley - Wikipedia, the free encyclopedia
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A pulley , also called a sheave or a drum, is a mechanism composed of a wheel on an axle or shaft that may have a groove between two flanges around its circumference. A rope, cable, belt, or chain u...
en.wikipedia.org/wiki/Pulley
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The invention of the pulley occurred before we recorded names of inventors. However, we do know the inventor of the compound pulley -- Archimedes: ... MadSci Network: Science History...
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www.madsci.org/posts/archives/apr2002/1018042569.Sh.r.h...
www.madsci.org/posts/archives/apr2002/1018042569.Sh.r.html
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The first pulley systems built for lifting would have been made of tree trunks or branches with the rope over the horizontal part of the system. The use of wheels was the next step in the history of lifting pulleys...
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nerds.unl.edu/pages/preser/sec/skills/Pulley/_private/h...
nerds.unl.edu/pages/preser/sec/skills/Pulley/_private/history.htm
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Samuel Pulley left his native state many years ago, and was among the early settlers of Guernsey County, where he resided until 1837. In that year he came to Grant County, Indiana, and entered a large tract of land in Washington Township, the greater part of which is still in possession of his descendants.
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www.countyhistory.com/books/doc.grant/097.htm
www.countyhistory.com/books/doc.grant/097.htm
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His father , Adam Pulley was also a native of Virginia, and was a son of George Pulley, from whom the Pulleys of this county descended. He was a native of England, and from thence immigrated to the United States in a very early day.
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www.countyhistory.com/books/doc.grant/458.htm
www.countyhistory.com/books/doc.grant/458.htm
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This page is dedicated to Pulley family history, Pulley family photos, and Pulley family genealogy. You can share your own Pulley family history, or make a donation in honor of the Pulley family...
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www.ancientfaces.com/research/surnames/P/pulley
www.ancientfaces.com/research/surnames/P/pulley
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Here you find Company History: The electric pulley blocks and the paternoster ... Location: STAHL CraneSystems > Home > The Company > Company History > The electric pulley blocks and the paternoster...
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www.stahlcranes.com/en/unternehmen/firmengeschichte/fir...
www.stahlcranes.com/en/unternehmen/firmengeschichte/firmengeschichte_02.php
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Pulley History Repeats Itself lyrics . These History Repeats Itself lyrics are performed by PulleyAll these names I can't complain Thoughts of you w ... . Send "History Repeats Itself" Ringtone to your Cell . ... Pulley Options...
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www.metrolyrics.com/history-repeats-itself-lyrics-pulle...
www.metrolyrics.com/history-repeats-itself-lyrics-pulley.html
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