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IEE 10000-1819-B [Detail]  
Written by AnubisTTP on 2007-10-17  

IEE referred to projection displays as "In-Line" displays because the digits were displayed on a single plane instead of stacked as in a Nixie tube.

IEE projection display, exploded view.

Various different models of IEE projection displays for scale comparision; from left to right: 340 series, 14928 series, 01100 series, 220H series, 00010 series, 10000 series. Note that IEE projection displays utilize composite part numbers and everything occurring after the first dash is encoded information about lamp voltage and character sets.

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