Hasluck, Paul N. (Paul Nooncree), 1854-1931 · London ; New York : Cassell and Co. · leaf 73
72 PRACTICAL DRAUGHTSMEN’S WORK. proportion between the two diameters ; thus an ellipse may be obtained of any required length and width. POINT OF SIGHT IN ELEVATION | j PERSPECTIVE BY ORTHOGRAPHIC PROJECTION PERSPECTIVE VIEW PROJECTED FROM THE TRANSPARENT PLANE: ELEVATION … Fig. 127.—Ellipse Projected from a Circle, Tt has been contended that, although the perspective view of a circle is something like an ellipse, it would quickly be detected as “out of drawing,” but it will be found that the statement is correct. The centre lines of the circle will not remain the…
Mechanical drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Works. Popular edition.] 2 series (1886)](https://img.insideoutlibrary.com/img/200/bl-bl_003191336_9-378-1.webp)
