TopDir - top sites directory

TopDir is a human edited web directory with various categories, a collection of hand-picked web resources for visitors

TopDir offers free website promotion for webmasters and website owners. Relevant search results and many categories for adding and promoting websites. Free web promotion for websites at TopDir directory. Submit your url for review. A collection of hand-picked web resources for visitors. This page is focused on one particular aspect of Science, Technology, Transportation, History.

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Society: History: By Topic: Science: Engineering and Technology (162)

http://www.cottontimes.co.uk/stephensono.htm

» George Stephenson - Gives information on the method that the inventor used to avoid using cog and rack pinions in designing a locomotive engine. Page also describes his influence on Edward Pease to decide to work with steam energy.

http://www.history.rochester.edu/steam/brown/chpt7.html

» George Stephenson - Explains the inventor's background growing up and living near a coal mining operation and how it inspired the industrious man to create one of the first running steam engines.

http://www.cottontimes.co.uk/trevithicko.htm

» Richard Trevithick the Cornish genius - Gives account of Trevithick's early work in the nearby mines as an engineering consultant and his work on the first high-pressure engines. Includes diagrams.

» The Transport Archive - Features history of Britain's early transportation system from the 18th century until present day. Topics cover canal building, railway construction and aviation developments. Includes photos and timelines.

TopDir is a human edited web directory with various categories. Our mission is to organize theme based websites and remove the clutter from the information. We strive to provide context based website results to our visitors. This directory is an evolving one and we regularly add new categories, if there is a necessity. Members can suggest new categories and websites for inclusion. This is one stop promotion site for webmasters and website owners. We invite you to browse the categories and suggest your website url for an editor review. This page is focused on one particular aspect of Science, Technology, Transportation, History.

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Web directories list the websites by theme. The links in a web directory are collected, edited and organized by humans. Yahoo and Dmoz ODP(Open Directory Project) are considered as the best human-edited web directories on the Internet and they are one of the most trusted and relied traffic sources. Since these directories get thousands of submissions every day, it is sometimes difficult to get listed in them and your URL may take a long time to be reviewed and listed. Generally good directory listings give a surprise boost to your link popularity.