Not sure what you mean by “pre-stencil” and how it connects. Is that a different machine than this?https://twitter.com/mwichary/status/1037571972291391489 …
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Thought: Is there a reason they would intentionally/mistakenly show old layout on the patent?
Might be cheaper/easier to reuse old drawings than to make new ones? Another manual-style keyboard shown in https://patentimages.storage.googleapis.com/f2/5a/91/45eede4d2abff7/US1873554.pdf …, perhaps the same drawing as before
Yeah, it’s my understanding from reading about typewriter history that patents cannot be fully trusted – they can me intentionally misleading, filed out of order, political, etc. (That’s not to say I don’t appreciate you digging them up!!!)
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