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
... cutting , if both are produced . 13. An angle is the opening between two lines having different directions and meeting at the same point , Fig . 9 . 14. Angles are right or oblique ; acute or obtuse GEOMETRICAL DEFINITIONS. ...
... cutting , if both are produced . 13. An angle is the opening between two lines having different directions and meeting at the same point , Fig . 9 . 14. Angles are right or oblique ; acute or obtuse GEOMETRICAL DEFINITIONS. ...
Σελίδα 6
... Angles are right or oblique ; acute or obtuse . 15. A right angle is that which is made by one line perpendicular to another . When the angles on each side are equal to one another , they are right angles , Fig . 11 . 16. An oblique ...
... Angles are right or oblique ; acute or obtuse . 15. A right angle is that which is made by one line perpendicular to another . When the angles on each side are equal to one another , they are right angles , Fig . 11 . 16. An oblique ...
Σελίδα 7
... angles equal . If they are not both equal , the polygon is irregular . 39 ... right line joining the extremities of an arc . A segment is any part of a ... right angled triangle , Fig . 10 , the side opposite the right angle is called the ...
... angles equal . If they are not both equal , the polygon is irregular . 39 ... right line joining the extremities of an arc . A segment is any part of a ... right angled triangle , Fig . 10 , the side opposite the right angle is called the ...
Σελίδα 16
... angles represented by the letters A B C D. The angle , or groin ribs , are all connected at the centres of the ... right angles screw two other pieces , leaving room for a small pin to pass freely between the pieces . Take any strip , as ...
... angles represented by the letters A B C D. The angle , or groin ribs , are all connected at the centres of the ... right angles screw two other pieces , leaving room for a small pin to pass freely between the pieces . Take any strip , as ...
Σελίδα 20
... right angles to the sides , or jamb lines , BC and AD . Make Af equal in length to the stretch - out of the curve ... angles . PLATE XIII . Figure 1 . Shows the method of finding the bracket for an external acute angle . Let A c be the ...
... right angles to the sides , or jamb lines , BC and AD . Make Af equal in length to the stretch - out of the curve ... angles . PLATE XIII . Figure 1 . Shows the method of finding the bracket for an external acute angle . Let A c be the ...
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The American House Carpenters' and Joiners' Assistant Lucius D. Gould Περιορισμένη προεπισκόπηση - 2023 |
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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