URL details: vintagecalculators.com/html/calculator_displays.html#ColdCathode
URL title:
Calculator Displays
URL description:
history, development, calculator, display, tube, nixie, gas discharge, itron, led, lcd, vacuum fluorescent
URL keywords:
vintage calculator, mechanical calculator, old calculator
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2022-07-03
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2022-07-03
'Nixie'