This is the board layout for the telegraph (see also the schematic). It was designed in the open-source gEDA/PCB. PostScript export, Gerber files (zipped) and the PCB original are attached.
The schematic for the telegraph (see also the board layout). Attached is the GSchem original and derived formats.
Meet Suzy. Suzy is an authentic late-1800s telegraph, attached to a USB port with the aid of a microcontroller and the magic FT232 .