Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 72
-hand quadrant butreversed in relative position, and similarly the upper right-handquadrant is the same as the lower left-hand quadrant but re-versed in relative position. The sloping ellipse is therefore LETTERS, NUMERALS, AND LETTERING SI not of the true ellipse construction but is an ellipse so… … (a) Vertical. (b) Medium Slope.Fig. 40.—Ellipses. (c) Extreme Slope. letters and in the case of certain small letters a much bettershaped letter is obtained if the slope of the ellipse is madegreater than the standard slope as shown in Fig. 40(c). Ap-proximately the same effect can be obtained in…
Mechanical drawing
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