I give you the amazing Sharp Compet 18 calculator from 1969(ish) and it happens to have a set of 12 gorgeous display tubes that I wish would have been around for a lot longer. Where did we stray off the path of beautiful into 7-segment boxes? I wonder..... FranLab In ZERO-G: https://www.gofundme.com/f/suborbital-franlab Join Team FranLab!!!! Become a patron and help support my YouTube Channel on Patreon: http://www.patreon.com/frantone #Tube #NIMO #NIxie - Music by Fran Blanche - Frantone on Facebook - https://www.facebook.com/frantone/ Fran on Twitter - https://twitter.com/contourcorsets Fran's Science Blog - http://www.frantone.com/designwritings/design_writings.html FranArt Website - http://www.contourcorsets.com/