Autographic printing may refer to: A process, centred on the electric pen, covered by US patent 180,857, issued to Thomas Edison in 1876, covering the pen, the…
Autographic printing may refer to:
A process, centred on the electric pen, covered by US patent 180,857, issued to Thomas Edison in 1876, covering the pen, the duplication press, and accessories. Autographic printing (Pumphrey), a process developed by the Pumphrey brothers of Birmingham, England, at around the same time.
Gebaseerd op: Wikipedia — Autographic printing · auteursgeschiedenis.
Tekst: CC BY-SA 4.0.
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