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Welcome Aboard!

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    Welcome Aboard!

    By USS Constitution Museum | Log Lines, News | 2 comments | 25 July, 2012 | 1

    Welcome to Log Lines, the blog of the USS Constitution Museum’s archives and collections!

    Why did we call this blog “Log Lines?”  In the early nineteenth century, mariners determined the speed of ships using an instrument called a “chip log” or “log line.”  The chip was a triangular slip of wood weighted along its bottom edge with a bit of lead.  A long, thin rope called a “log line” connected the chip to a hand-held reel.  This rope was marked with knots every 47 feet 3 inches.  When sailor wished to determine the speed of the vessel (on Constitution this was performed every hour when at sea), he heaved the chip over the stern, held the reel clear of the rail, and let the log line run out as the ship moved through the water.  After 28 seconds, the man with the reel stopped the line.  As he pulled the chip back in, he noted how many knots (and fractions after the last knot) had run out and made a notation on a slate.  The ship’s speed, recorded as “knots per hour,” was in turn entered in the ship’s log book and used by the sailing master to determine the ship’s course run and ultimately her location on the wide expanse of sea.

    This blog will be a navigation tool of sorts.  We hope our readers will gain a deeper insight into the long and fascinating history of America’s favorite ship.  She hasn’t sailed along at 13 knots (her fastest recorded speed) in very long time, but our knowledge of the ship and those who sailed her has moved ahead at a surprising clip over the past few decades.   Stay tuned as we capture new stories and bring them back to port!

    Chip log, line, and reel
    A New Universal Dictionary of the Marine
    William Burney, 1815
    28-second glass from
    A New Universal Dictionary of the Marine
    William Burney, 1815
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    USS Constitution Museum

    USS Constitution Museum

    The USS Constitution Museum serves as the memory and educational voice of USS CONSTITUTION, by collecting, preserving, and interpreting the stories of "Old Ironsides" and the people associated with her. We seek to create a positive, memorable experience for both children and adults by inspiring within them a love for the freedom that CONSTITUTION symbolizes. We will share CONSTITUTION's contributions with a global audience, and we will strive to be the best museum possible based on scholarship and innovative ways of sharing CONSTITUTION's stories.

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      • In Our Neighborhood
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      • Past Exhibits
      • Ship Model Show
      • The Model Shipwright Guild
      • Hands-On Areas
    • Discover + Learn
    • Educators
    • Shop
      • Shop Now
      • Buy a Membership
    • Support
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      • Membership
      • USS Constitution Museum Gala
      • Memorial Bricks
      • Support Our Collections
      • Legacy Giving
      • Foundation Support
      • Amazon Smile
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        • Approved Caterers
        • Guide to Hosting Functions and Special Events at the Museum
      • Donor Privacy Policy
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    USS Constitution Museum