Elements of lettering ... A treatise on the history, classification, and practical application of the various styles of letters of the alphabet (1899)
International Correspondence Schools · Scranton, The Colliery engineer company · leaf 66
Fig. 62. Fig. 63. the third side is usually different from that of the two equalsides, and is called the base. The term base is, however,applied without distinction to any side on which a triangle issupposed to stand. 105. Altitude.—Whatever side is taken as the base of atriangle, the altitude, or… … FlG. 64 dicular distance from the base to the vertex of the oppositeangle. That vertex is also called the apex of the triangle. 106. Angular Pediment.—When the height of anisosceles triangle is short in comparison with the base, thetriangle is called an angular pediment (Fig. 63). 107. Gable.—A…
Lettering
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