 B, and adjust a loop of thread around them. Then remove the pin at B, and replace it by a pencil point; by moving the pencil so as to keep the string taut, the complete ellipse can be drawn at one sweep. Or, use a mechanical ellipsograph. (5) and (6)....  Handbook of Mathematics for Engineers - Page 132by Edward Vermilye Huntington - 1918 - 190 pagesFull view - About this book
 | Edward Vermilye Huntington, Louis Albert Fischer - Engineering - 1916 - 196 pages
...thread around them. Then remove the pin at B, and replace it by a pencil point; by moving the pencil so as to keep the string taut, the complete ellipse can...Complete the parallelogram, as in Fig. 38. Divide QD and QO into n equal parts, 1, 2,3, . . . and 1', 2', 3', . . . ConnectPwith 1,2,3,. . . andP' with... | |
 | Mechanical engineering - 1916 - 1826 pages
...around them. Then remove the pin at B, and replace it by a pencil point; by moving the pi'iiril so as to keep the string taut, the complete ellipse can...Complete the parallelogram, as in Fig. 38. Divide QD and QO into n equal parts, 1, 2, 3, . . . and 1', 2', 3', . . . Connect P with 1,2,3,. . . andP'... | |
 | Lionel Simeon Marks - Mechanical engineering - 1916 - 1922 pages
...around them. Then remove the pin at B, and replace it by a pencil point; by moving the ix'iiril so as to keep the string taut, the complete ellipse can...case in which OP and OQ are perpendicular semi-axes. Fio. 38. Fio. 39. To Construct an Ellipse, Given a Pair of Conjugate Semi-diameters, OP and OQ. (1)... | |
 | Mechanical engineering - 1924 - 738 pages
...thread around them. Then remove the pin at B, and replace it by a pencil point; by moving the pencil so as to keep the string taut, the complete ellipse can...FIG. 38. FIG. 39. To Construct an Ellipse, Given a Fair of Conjugate Semi-diameters, OP and OQ. (1) Complete the parallelogram, as in Fig. 38. Divide... | |
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