Mechanical Drawing And Practical Drafting
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In our eReader you can find the full English version of the book. Read Mechanical Drawing And Practical Drafting Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Mechanical Drawing And Practical Drafting
What reading level is Mechanical Drawing And Practical Drafting book?
To quickly assess the difficulty of the text, read a short excerpt:
SI'Z BT 86 PLATE 60. THE CYCLOID.
If a mark was made upon the circumference of a circle at the exact point of contact with a plane, the mark, as the circle revolved along the plane, would follow a curve called the cycloid.
To generate this curve, draw any circle, as D E F, and divide its circumference into any number of equal parts (in this case use twelve). Draw a straight line tangent to the circle at F, and on it lay off six divisions, each equal to a division of the circle. From a, b, c, d,... e, and f draw perpendiculars cutting the center line of the circle. Taking these points as centers, swing arcs. On these arcs lay a-6 equals one division of the circle; b-7 equals two divisions; and so on until point 11 is obtained. Connect the points to obtain the curve. Draw the circle DEF two inches in diameter.
THE ARCHIMEDEAN SPIRAL The spiral is a curve which makes one or more revolutions round a fixed point, but does not return to itself.
To construct the Archimedean Spiral, draw any circle and divide it into any number of equal parts.
What to read after Mechanical Drawing And Practical Drafting?
You can find similar books in the "Read Also" column, or choose other free books by Charles Henry Sampson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
SI'Z BT 86 PLATE 60. THE CYCLOID.
If a mark was made upon the circumference of a circle at the exact point of contact with a plane, the mark, as the circle revolved along the plane, would follow a curve called the cycloid.
To generate this curve, draw any circle, as D E F, and divide its circumference into any number of equal parts (in this case use twelve). Draw a straight line tangent to the circle at F, and on it lay off six divisions, each equal to a division of the circle. From a, b, c, d,... e, and f draw perpendiculars cutting the center line of the circle. Taking these points as centers, swing arcs. On these arcs lay a-6 equals one division of the circle; b-7 equals two divisions; and so on until point 11 is obtained. Connect the points to obtain the curve. Draw the circle DEF two inches in diameter.
THE ARCHIMEDEAN SPIRAL The spiral is a curve which makes one or more revolutions round a fixed point, but does not return to itself.
To construct the Archimedean Spiral, draw any circle and divide it into any number of equal parts.
What to read after Mechanical Drawing And Practical Drafting?
You can find similar books in the "Read Also" column, or choose other free books by Charles Henry Sampson to read onlineMoreLess
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