The print is in turquoise and silver water-based block printing ink on Japanese kozo paper 15.25 inches x 10.5 inches (26.7 cm x 38.7 cm). This is an artist's proof.
The print shows Lady Ada, based on engravings made during her lifetime, before gears of the Charles Babbage Analytical Engine, based on one of his blueprints. Depicted around the gears are equations relating how to calculate Bernoulli Numbers. This is not only because Ada published how to do this MECHANICALLY, but because she foresaw that machines would one day be able to work with SYMBOLS (like those used, for instance) and not just numbers!
(carving three equations is a new level of insanity for me)
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