For all HP fans, a beautiful HP 9872C plotter from my collection in 4K as it draws the Columbia space shuttle.

Enjoy the sound 😍

Click here for the video: https://youtu.be/msqYxFaRwng

#hp9872c #hpplotter #plotter #hp85 #hp85b #hp9000 #hpbasic #hpux #hp7475a #hp7470a