Another view of the parts. The black O-ring goes in the groove above the threads to prevent the plotter vibrations from unscrewing the pen top. The original ball point pen cartridge is also shown in this picture.
Back to Previous page All of Calcomp 563 Incremental Plotter pictures
Feel free to contact me, David Gesswein djg@pdp8online.com with any questions, comments on the web site, or if you have related equipment, documentation, software etc. you are willing to part with. I am interested in anything PDP-8 related, computers, peripherals used with them, DEC or third party, or documentation.
PDP-8 Home Page  PDP-8 Site Map  PDP-8 Site Search