Often incorrectly described as using nixie tubes. It actually used an early vacuum fluorescent discharge technology (similar to VFDs still found on some large appliances).
lcamtuf :verified: :verified: :verified: on Nostr: Life before square-shaped 7-segment displays. One of the first "portable" ...
Life before square-shaped 7-segment displays. One of the first "portable" calculators, about 1.6 lb.
Often incorrectly described as using nixie tubes. It actually used an early vacuum fluorescent discharge technology (similar to VFDs still found on some large appliances).
Often incorrectly described as using nixie tubes. It actually used an early vacuum fluorescent discharge technology (similar to VFDs still found on some large appliances).