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Qty 1: Rare 6-Digit LED Bubble Display National Semiconductor Gold-Plated PCB For Sale
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Qty 1: Rare 6-Digit LED Bubble Display National Semiconductor Gold-Plated PCB: $15
Rare Multi-DigitRed LED"Bubble" DisplayBy National Semiconductor ~ Made in the 70’s ~ These LED bubble displays were developedjust prior to the invention of theLiquid Crystal Display (LCD's).These were seen in early hand-held calculators,(and a variation in early wristwatches)but disappearedshortly after the benefits ofthe low power LCD was developed. NOTE: This is a six digit display even though it has nine plastic lensbubbles. (National standardized its line by using the same plastic bubble lens cover in its line of 6, 7, 8, and 9 digit displays.) ~ Beautiful...All Gold Plated PCB ~ You will receive a vintage LED Bubble Display as shown. ~ US Stocked ~ Fast US Shipping ~(We ship out within 2 days.)