Vintage minipet V-16 VFD Tube Calculator Working AC Powered RARE Brand/Model | eBay
Turn a VFD 1970s Calculator Into a Digital Clock : 20 Steps (with Pictures) - Instructables
Kosmos I biorhythm calculator 1970 green VFD USA Taiwan - Vintage Man Stuff
My 1971 Burroughs C3155 calculator. It was made before they decided on how digital number displays should look. That zero at the end is not a mistake.. That's actually how it's supposed
Vintage Radio Shack Electronic Pocket Calculator, Cat. No.… | Flickr
CALCULATOR CASIO FX-31 TESTED BLUE VFD DISPLAY SCIENTIFIC W/ ORIGINAL AC ADAPTER | eBay