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Spirals |
Record 1 to 25 of 29 |
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Helix A cylindrical helix is a curve generated by a point moving uniformly around a cylinder and uniformly lengthwise of the cylinder at the some time. The hypotenuse of a right triangle will form one turn ... |
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Logarithmic Spiral, Construction of Illustration showing how a rolling logarithmic spiral can be constructed by taking successive values of theta, starting from oc. The values of r can be calculated and then the curve can be plotted.... |
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Logarithmic Spirals, Rolling of Illustration showing the rolling of two logarithmic spirals of equal obliquity.... |
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Spiral Illustration of spiral with unequally spaced intervals.... |
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Spiral Illustration of spiral.... |
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Spiral Illustration of spiral with unequally spaced intervals.... |
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Spiral Illustration of spiral with unequally spaced intervals.... |
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Spiral Illustration of spiral.... |
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Spiral Illustration of spiral with unequally spaced intervals.... |
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Spiral Illustration of spiral with unequally spaced intervals.... |
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Spiral Illustration of spiral with unequally spaced intervals.... |
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Spiral Illustration of a spiral curve.... |
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Spiral Illustration of a spiral curve.... |
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Spiral Sector, Logarithmic In this illustration, "the driven surface of the slide coincides with the tangent to the spiral, the line of centres being from o through c to infinity and perpendicular to the direction of motion of ... |
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Spiral, Archimedean Illustration showing an Archimedean Spiral.... |
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Spiral, Construction Of An illustration showing how to construct a spiral with compasses and four centers. "Given the pitch of the spiral, construct a square about the center, with the four sides together equal to the pitch... |
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Spiral, Double Illustration of a double spiral with unequally spaced intervals.... |
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Spiral, Drawing Equiangular or Logarithmic "If B and C are points in the spiral and the ratio of AC to AB be given, the intermediate point D may be obtained by describing a semicircle on BC as a diameter and erecting a perpendicular at A." &md... |
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Spiral, Equiangular or Logarithmic A graph showing a logarithmic or equiangular spiral. The spiral is created in polar coordinates (r,Θ) based on the natural log function.... |
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Spiral, Helix A helix spiral generated by revolving about an axis at an angle less than 90 degrees. This generates a cylindrical or coned shape as the tip meets.... |
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Spiral, hyperbolic A logarithmic spiral.... |
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Spiral, hyperbolic A hyperbolic spiral.... |
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Spiral, Involute "This class of spirals may be generated by unwinding a perfectly flexible but inextensible chord from a polygon of any number of sides, the names of the involutes being derived from the polygons which... |
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Spiral, lituus Lituus spiral.... |
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Spiral, Lituus Illustration showing a lituus spiral/curve.... |
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