The American House Carpenters' and Joiners' Assistant: Being a New and Easy System of Lines, Founded on Geometrical Principles, for Cutting Every Description of Joints, and for Framing the Most Difficult Roofs; to which is Added a Complete Treatise on Mathematical Instruments. Also, Mensuration, Tables of the Weights and Cohesive Strength of the Several Materials Used in the Construction of Buildings, &cD. Burgess, 1853 - 136 σελίδες |
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Σελίδα 5
... parallel , oblique , perpendicular , or tangential . 9. Parallel lines , Figs . 7 and 8 , are always at the same perpendicular distance , and , if produced , would never meet . 10. Oblique lines , Fig . 9 , change their distance , and ...
... parallel , oblique , perpendicular , or tangential . 9. Parallel lines , Figs . 7 and 8 , are always at the same perpendicular distance , and , if produced , would never meet . 10. Oblique lines , Fig . 9 , change their distance , and ...
Σελίδα 6
... parallel , Fig . 22 . PLATE II . 34. A trapezoid has only two of its opposite sides parallel , Fig . 1 . 35. A diagonal is a line joining any two opposite angles of a quadrilateral , Fig . 2 . 36. Plane figures that have more than four ...
... parallel , Fig . 22 . PLATE II . 34. A trapezoid has only two of its opposite sides parallel , Fig . 1 . 35. A diagonal is a line joining any two opposite angles of a quadrilateral , Fig . 2 . 36. Plane figures that have more than four ...
Σελίδα 10
... parallel to CB , and IH parallel to D A. Make GH and HI equal . From the points , G and I , describe the arcs JK , and through the points of intersection , J , and K , draw the line EHF , which will be at equal angles with the lines DA ...
... parallel to CB , and IH parallel to D A. Make GH and HI equal . From the points , G and I , describe the arcs JK , and through the points of intersection , J , and K , draw the line EHF , which will be at equal angles with the lines DA ...
Σελίδα 12
... parallel to AB , and . produce it to 7. Draw 6 , 7 , perpendicular Figure 2 . To describe a regular octagon from a given square . Draw the diagonals ; then with half the diagonals as a radius , describe from each of the four angular ...
... parallel to AB , and . produce it to 7. Draw 6 , 7 , perpendicular Figure 2 . To describe a regular octagon from a given square . Draw the diagonals ; then with half the diagonals as a radius , describe from each of the four angular ...
Σελίδα 13
... the plane . Join ab , and produce it to f , draw ad perpendicular to ab , and be parallel to ad . Make ad equal to the height upon a , and be , equal to the height upon b , join de , and produce de to f . Join PROBLEMS . 13.
... the plane . Join ab , and produce it to f , draw ad perpendicular to ab , and be parallel to ad . Make ad equal to the height upon a , and be , equal to the height upon b , join de , and produce de to f . Join PROBLEMS . 13.
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The American House Carpenters' and Joiners' Assistant Lucius D. Gould Περιορισμένη προεπισκόπηση - 2023 |
Συχνά εμφανιζόμενοι όροι και φράσεις
26 Spruce St angle rib beam beam compasses bevel breadth Cast Iron circle circumference colatitude constructed copy cube root cubic feet depth describe the arc diagonal diameter divided draw the lines edge Eighths elevation ellipsis extent will reach Figure floor frame girders given line given number gnomonic projection half hypothenuse inches instrument Invented and Drawn jack-rafters Join joists length in feet limb line of chords line of numbers line of sines Lith 26 Spruce meridian method of finding multiplied nail number of degrees number of equal pencil perpendicular plane Plate polygon primary divisions proportional purlin quadrant quarter girt quotient radius regular polygons represent right angles right line roof rule Rule.-Multiply screw secants sector Shows the method slider sliding soffit square root straight line stroke subdivision tangents thickness transverse distance triangle truss vernier scale weight