Under Linotype , Carter created well - known typefaces including Snell Roundhand , a script typeface and Bell Centennial , intended for use in the Bell System 's phone directories and to celebrate its anniversary .
Carter designed many typefaces for Mergenthaler Linotype as well .
Under Mergenthaler Linotype , Carter created well - known typefaces including Snell Roundhand , a script typeface and Bell Centennial , intended for use in the Bell System 's phone directories and to celebrate its anniversary .
Carter designed many typefaces for Mergenthaler Linotype as well .