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Books Books 1 - 10 of 17 on Most good practical workmen have several means for getting the cut of the mitre,....
" Most good practical workmen have several means for getting the cut of the mitre, and to them this demonstration will appear unnecessary, but I have seen many men make sad blunders, for want of knowing this simple rule. PROBLEM 12. "
Linear drawing, showing the application of practical geometry to trade and ... - Page 17
by Ellis A. Davidson - 1868 - 118 pages
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First lessons in geometry: upon the model of Colburn's first lessons in ...

Alpheus Crosby, Stephen Chase, James Munroe and Company - Geometry - 1847 - 164 pages
...144. At a given point A in a line AB, to make an angle equal to a given angle D. From D as a centre, with any radius, describe an arc cutting the sides of the angle in E and F. From A as a centre, with the same radius, describe an arc GH. In this arc, take H at the same...
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A Text Book of Geometrical Drawing: Abridged from the Octavo Edition : for ...

William Minifie - Geometry, Descriptive - 1849 - 156 pages
...knowing this simple rule. PROBLEM 12. FIG. 4. To Trisect a Right Angle. 1st. From the angular point V with any radius, describe an arc cutting the sides of the angle, as in X and W. 2nd. With the same radius from the points X and W, cut the arc in Y and Z. 3rd. Draw...
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Practical geometry

Richard Burchett - 1855
...line A c, and the angle is bisected. FIG. 63. To trisect a Right Angle A. From the angular point A, with any radius, describe an arc cutting the sides of the angle in a and b. From a and b, with the same radius, cut off the arcs с ала. d. • FIG. 64. To find the...
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The technical educator, an encyclopædia

Technical educator - 1871
...12). c DE (Figs. 13 and 14). — At A construct an angle «imilm- to the angle H ca — viz., j A i. From B, with any radius, describe an arc cutting the sides of the angle in-.'. From E, with the same radius, describe an arc, cutting ED in F. Measure the length from point c to...
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The Quadrature of the Circle: The Square Root of Two, and the Right-angled ...

William Alexander Myers - Circle-squaring - 1873 - 164 pages
...knowing this simple rule. PROBLEM 12, FIGURE 4. To Trisect an Angle. 1st. From the angular point V, with any radius, describe an arc cutting the sides of the angle, as in X and W. 2nd. With the same radius, from the points X and W, cut the arc in Fand Z. 3rd. Draw...
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THE QUADRATURE OF THE CIRCLE, THE SQUARE ROOT OF TWO, AND THE RIGHT-ANGLED ...

WILLIAM ALEXANDER MYERS - 1874
...knowing this simple rule. PROBLEM 12, FIGURE 4. To Trisect an Angle. 1st. From the angular point F, with any radius, describe an arc cutting the sides of the angle, as in JTand W. 2nd. With the same radius, from the points X and TF, cut the arc in Fand Z. 3rd. Draw...
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The technical educator, an encyclopædia, Volumes 1-2

1877
...of the triangle o. To construct on the given line, DE, an angle similar to tlte angle ABC (Fig. 12). From B, with any radius, describe an arc cutting the sides of the angle in c d. From £, with the same radios, describe an arc, cutting : D in F. Measure the length from point c to d....
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The technical educator, an encyclopædia

Technical educator - 1880
...any radius, describe the quadrant D E. From D, with the radius DB, describe an arc cutting ED in F. From E, with the same radius, describe an arc cutting ED in o. Draw lines BF and B o, which will trisect right angle. THE MEASUREMENT OF ANOLES (Fig. 31). Angles...
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The Boilermaker's Assistant in Drawing, Templating, and Calculating Boiler ...

John Courtney - Steam-boilers - 1880 - 108 pages
...That is, to divide it in two equal angles. On the point of the \ angle, A, Fig. 32, as a centre, \ with any radius, describe an arc \ cutting the sides of the angle at D F Fig 32. ,' . and E, and on D and E as centres, / \ describe two arcs cutting each other •*...
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The Boilermaker's Assistant in Drawing, Templating, and Calculating Boiler ...

John Courtney (boilermaker.) - Boilers - 1880 - 108 pages
...That is, to divide it in two equal angles. On the point of the \ angle, A, Fig. 32, as a centre, \ with any radius, describe an arc \ cutting the sides of the angle at D and E, and on D and E as centres, describe two arcs cutting each other \0 F Fig 32. •«^ C at...
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