Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 118
Fig. 141. section of the flat stub end with the surface of revolution ofthe turned part of the rod. OR THOGRA PHIC PROJECTION. I03 The method of finding the curves of intersection are soplainly shown by the figures that a detailed explanation isdeemed unnecessary. … Fig. 142. SHADE LINES, SHADES AND SHADOWS. Shade Lines are quite generally used on engineering work-ing drawings; they give a relieving appearance to the projec-ting parts, improve the looks of the drawing and make it easierto read, and are quickly and easily applied. The Shading of the curved…
