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  2. Rope (unit) - Wikipedia

    en.wikipedia.org/wiki/Rope_(unit)

    The Greco-Roman schoenus, supposedly based on an Egyptian unit derived from a wound reed measuring rope, may also be given in translation as a "rope".According to Strabo, it varied in length between 30 and 120 stadia (roughly 5 to 20 km) depending on local custom.

  3. Official Table of Drops - Wikipedia

    en.wikipedia.org/wiki/Official_Table_of_Drops

    The Official Table of Drops, formerly issued by the British Home Office, is a manual which is used to calculate the appropriate length of rope for long drop hangings. Following a series of failed hangings, including those of John Babbacombe Lee , a committee chaired by Henry Bruce, 1st Baron Aberdare was formed in 1886 to discover and report on ...

  4. Knotted cord - Wikipedia

    en.wikipedia.org/wiki/Knotted_cord

    Knotted cords were used by rope stretchers, royal surveyors who measured out the sides of fields (Egyptian 3ht). The knotted cords (Egyptian ht) were 100 royal cubits in length, with a knot every hayt or 10 royal cubits. The rope stretchers stretched the rope in order to take the sag out, as well as to keep the measures uniform.

  5. Ropelength - Wikipedia

    en.wikipedia.org/wiki/Ropelength

    The ropelength of a knotted curve is defined as the ratio () = ⁡ / (), where ⁡ is the length of and () is the knot thickness of . Ropelength can be turned into a knot invariant by defining the ropelength of a knot K {\displaystyle K} to be the minimum ropelength over all curves that realize K {\displaystyle K} .

  6. Barometer question - Wikipedia

    en.wikipedia.org/wiki/Barometer_question

    The student provided a different, and also correct answer: "Take the barometer to the top of the building. Attach a long rope to it, lower the barometer to the street, then bring it up, measuring the length of the rope. The length of the rope is the height of the building." [20]

  7. Ell - Wikipedia

    en.wikipedia.org/wiki/Ell

    Ells are used for measuring the length of rope in J. R. R. Tolkien's The Lord of the Rings. [15] Since Sam declares that 30 elles are "about" 18 fathoms (108 feet), he seems to be using the 45-inch English ell, which would work out to 112 feet. In the epic poem Sir Gawain and the Green Knight, the Green Knight's axe-head was an ell (45 inches ...

  8. Fid - Wikipedia

    en.wikipedia.org/wiki/Fid

    The length of these fids is typically 21 or 22 times the diameter of rope to be spliced. A one-half-inch (12.7 mm) diameter rope would have any accompanying fid 10.5–11 in (266.7–279.4 mm) in length with hash-marks denoting the long and short fid measurements. A short fid is 1 ⁄ 3 a fid length and a long fid is 2 ⁄ 3 the overall fid length.

  9. Cable length - Wikipedia

    en.wikipedia.org/wiki/Cable_length

    A cable in this usage cable is a thick rope or by transference a chain cable. [1] The OED gives quotations from c. 1400 onwards. A cable's length (often "cable length" or just "cable") is simply the standard length in which cables came, which by 1555 had settled to around 100 fathoms (600 ft; 180 m) or 1 ⁄ 10 nautical mile (0.19 km; 0.12 mi). [1]

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