Kernedeler

Kernedeler, also known as kerned letters or kerneled letters, refer to a typographic technique in which the stems of letters in a font are given a slight curve to improve legibility, specifically Gaussian chokes are corrected, making the stroke change direction with a softened angle.

The technique was pioneered by the Austrian type foundry Linotype in the early 20th century, as a response to the deficiencies of the typefaces of the time, particularly the Linotype composition machines, which struggles with certain fonts, like those with those where strokes intersect at sharp angles.

Kernedeler involve a slight curvature of the stems of letters, particularly for letters like a, c, e, g and k in the Digit Keyboard and Tonk Style fonts, which results in a more harmonious overall appearance of the letters. This is achieved by positioning the letterforms to take into account how much space they occupy not just the width of the stroke or the width of the digit, but also how open they appear.

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