Second, : The crossbars of the two ‘t’s must coordinate. They are typically at the same height (the x-height), but their lengths and terminals matter. In a regular, humanist font like Garamond or Caslon, the crossbars are asymmetrical—longer on the left, tapering to the right. When doubled, the first ‘t’s crossbar points toward the second, creating a gestural rhythm akin to a scribe lifting the quill twice. In a geometric regular font like Futura, the crossbars are identical and centered, producing a stark, mechanical repetition that feels precise, almost cold.
It may not be glamorous, but few fonts have enabled as much global scientific communication on as many devices. Symbol TT Regular earned its quiet place in typographic history. symbol tt regular font