Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 55
the arcs 2 and 3 are* elliptical. Proportions, the height equals the width; charac-teristics, the lower portion of the figure occupies overone-half of the square and is an ellipse; the upperpart is parallel to the top line of the ellipse. Proportions, the height equals the width; charac-teristic,… … 36 MECHANICAL DRAWING. Proportions, the height equals the width; charac-teristic, the same as the figure 6 inverted. Proportions, the height equals the width; charac-teristic, it is a complete circle, the same as the letter O. As in lettering, there is the vertical and inclined type of figures,and…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Champ fleury : au quel est contenu lart & science de la deue & vraye proportio[n] des lettres attiques, quo[n] dit autreme[n]t lettres antiques, & vulgairement lettres romaines proportionnes selon le corps & visage humain ... (1529)](https://img.insideoutlibrary.com/img/200/ia-champfleuryauque00tory-130-88.webp)
