Plotting For The First Time - HP 7470A

After wanting to get one going for year, I had this moment a couple weeks ago where I came to the realization "You know, I could just get a plotter." So I did.

This lit a fire under me now, plotters rule and I want to get the other ones I have going now! The bigger one will be easier since it supports HP-GL out of the box. The 7221B will be trickier since I'll first have to figure out how the interface works and then write an HP-GL translator for it. It only makes sense to bring it into a language that has actual support.

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