I suppose someone could go one step further and coat a blade with a photo sensitive solution and expose a negative through an enlarger. Then it could be acid etched and/or hand engraved. And you could be the first kid on your block to coat a blade and then expose it through a special camera like a tin type thus permitting "on the scene" image recording. That would be the next step in social and professional status seeking among engravers.
Someone desiring to compete with that could then go back to the middle ages and try to produce a camera obscura image landscape through a pin hole onto his sensitized blade. The image would then be hand chiseled. This should be the ultimate status in image reproduction and impression - until someone discovers some other way to achieve the task in a more primitive way and thus trumpet a victory.
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