[baltimore]

Is there any end to this? E.g., why not include Galileo's pictograms of Saturn as seen here: https://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=...

[caf]

Galileo's pictograms aren't being used as a letter, though: they're explicitly a diagram (I believe he says "like this: <picture>").