Eric Greninger
is more than inconspicuous vertical metrics.
e-bar height
Typically, the bar of the ‘e’ rests somewhere between halfway and two-thirds up from the baseline to the midline. (It’s extremely rare to find a typeface where the bar of the ‘e’ is below the halfway point between the baseline and the x-height.) Let’s call the height of the center of the bar of the ‘e’ the e-bar height. Here are Minion, Helvetica, Times New Roman, and Museo, and how their e-bar heights compare to the A-bar height and the x-junction height: