Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 144
ruct an orthographic square of any convenient size asshown in Fig. 174, and draw the required angle AOB. Fromthe corner of the isometrical cube where the angle is to be drawnlay off along the side a distance equal to OA of the orthographicsquare and erect a perpendicular at A. Step off the… … Fig. 184. •of these should be drawn, or it would be better still if the studentwould attempt to make an isometrical projection of his instru-ment-box, desk, or any familiar object at hand. These figuresmay be measured with the ij scale and drawn with the 2scale. WORKING DRAWINGS. Working drawings…
