It is no secret that I like oddball display tubes and today I present to you the National 54362 two digit nixie tube.  That’s right, there are two distinct and independently controllable digits inside of this device.  On the lefthand side there are standard SI prefixes and on the right side there units – Hz, and Seconds. [...]

Here is another eBay find that I thought was worth sharing.  This is a Wamco alphanumeric minitron display.  It is similar to a numitron in that it is also an incandescent filament display but the packaging is significantly different.  I believe these devices were primarily used in aviation because of their resilience but I’m having troubles backing up that belief with [...]

Well, my vane display post got some Adafruit love and many of my other posts on old display technology have gotten some traffic so here is one more. I love finding antique display technology on eBay and a few days ago I came across a dozen old edge lit displays, also known as lightguide displays. [...]

These are seven segment displays. Each segment is painted a bright yellow and fluoresces under UV light. The segments do not actually draw any power except when they are moved. Behind each segment is a solenoid that flips the segment on or off. Several units are then daisy chained together to form larger numbers.

Okay, the last time I asked for help identifying an unknown device, you guys came through.  Even Evil Mad Scientist helped out (you guys rock.)  Well, I now have two Panaplex-style neon displays that I can’t seem to find that much information on.  Does anyone have any information on these or hints to where I [...]