Carpentry Made Easy, Or, The Science and Art of Framing, on a New and Improved System: With Specific Instructions for Building Balloon Frames, Barn Frames, Mill Frames, Warehouses, Church Spires, Etc. Comprising Also a System of Bridge Building; with Bills, Estimates of Cost, and Valuable Tables. Illustrated by Thirty-eight Plates and Near Two Hundred FiguresJ. Challen & Sons, 1859 - 134 sider |
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Side 19
... circle is the surface bounded by the circumference . 36. A radius of a circle is a straight line drawn from the centre to the circumference . ( The term radius is a Latin word , the plural of which is radii . Thus , we say one radius ...
... circle is the surface bounded by the circumference . 36. A radius of a circle is a straight line drawn from the centre to the circumference . ( The term radius is a Latin word , the plural of which is radii . Thus , we say one radius ...
Side 20
... circle . AB is a secant in Fig . 17 . 45. A tangent is a straight line touching the circumference in one point . only . CD is a tangent - O is the point of contact . 46. The circumference of every circle is measured by being supposed to ...
... circle . AB is a secant in Fig . 17 . 45. A tangent is a straight line touching the circumference in one point . only . CD is a tangent - O is the point of contact . 46. The circumference of every circle is measured by being supposed to ...
Side 27
... circle , then will the line AB coin- cide with its diameter , since it passes through the centre . ( Def . ) Angles are measured by the arcs intercepted by their sides ( Def . ) ; and since the sides of the angle ADC intercept a portion ...
... circle , then will the line AB coin- cide with its diameter , since it passes through the centre . ( Def . ) Angles are measured by the arcs intercepted by their sides ( Def . ) ; and since the sides of the angle ADC intercept a portion ...
Side 39
... circle . Let ABCD be the circumference of any circle , and let two diameters , AC and BD , be drawn , intersecting each other at right angles ; connect the ends of these diameters by the chords AB , BC , CD , and DA , then will these ...
... circle . Let ABCD be the circumference of any circle , and let two diameters , AC and BD , be drawn , intersecting each other at right angles ; connect the ends of these diameters by the chords AB , BC , CD , and DA , then will these ...
Side 45
... circle ; and this bevel is obtained from the square by taking 12 on the blade and 12 on the tongue , or any other identical number , the rise being equal to the run . * But when the foot and the head of the brace are to be at unequal ...
... circle ; and this bevel is obtained from the square by taking 12 on the blade and 12 on the tongue , or any other identical number , the rise being equal to the run . * But when the foot and the head of the brace are to be at unequal ...
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Vanlige uttrykk og setninger
12 feet 12 inches alternate angles altitude arch beam Balloon Frames base beam bridge Bill of Timber blade bolts bridge building centre circumference common rafter corner counter braces cripple stud cross timbers diagonal width diameter distance divided draw bores equal angles equiangular extracting the square feet long foot girder given half the width hence hip rafters hip roof hypotenuse inch Rise inches square interior angles intersection lengths and bevels Lith Phil lower end bevel manner multiplied parallel parallelogram perpendicular Phila polygon principal rafters proportion Proposition purlin plates purlin post brace quarter pitch rafters required rectangle represented ridge pole right-angled triangle Scholium secant line side bevel sills span spiked spire square root straight lines meet straining beam supporting rods tenons Theorem thickness tie beam tongue trestles truss upper chord upper end bevel upper joists แ แ
Populære avsnitt
Side 29 - If two triangles have two angles and the included side of the one, equal to two angles and the included side of the other, each to each, the two triangles will be equal.
Side 18 - A right-angled triangle (Fig. 24) is any triangle having one right angle. The side opposite the right angle is called the hypotenuse.
Side 19 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Side 30 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Side 29 - A straight line falling on parallel straight lines makes the alternate angles equal to one another, the exterior angle equal to the interior and opposite angle, and the interior angles on the same side equal to two right angles...
Side 32 - The straight line which bisects the vertical angle of an isosceles triangle is perpendicular to the base.
Side 20 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Side 19 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Side 19 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre of the circle.
Side 35 - If two triangles have two sides and the included angle of the one, equal to two sides and the included angle of the other, each to each, the two triangles will be equal in all their parts." Axiom 1. "Things which are equal to the same thing, are equal to each other.