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Vintage 9 nixie tube calculator by APF Electronics, Hong Kong, Mark 1. It works great but the first two nixie tubes on the left side do not light up. The other nixie tubes are nice and bright. It will do calculations but only to 7 digits. Calculator is in great shape, there are a few paint specks, but no cracks or chips. It is a solid machine. Measures 10" by 6.5" by 3.5" tall.
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$25 - Buy It Now
From The Auction
Set of 4 Burroughs Panaplex II 7423 neon display modules. From the estate of an electronics engineer. Sold As-Is. Each unit is labeled on back Burroughs Panaplex II Br 16453 7423. Each measures 6.5 by 1.25 inches. Shipping wt 2 lbs.
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EDIT: Corrected auction link (9/20/2010 @ 9:27 CST)
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This auction is for a vintage 3015F Minitron 7 Segment Display Board.
Condition: Used. I do not have the equipment or training to formally test this board or the 7 segment displays, so it is being sold “as is”.
Description:
The printed circuit board contains six 3015F Minitron tube incandescent 7 Segment Displays, each fitted onto a standard 16 pin IC DIP socket. They are driven by six conventional 7447 LED drivers. Board has “ C.E. COX CO.” and “DUAL READOUT CC-200-29 a” silkscreened on it. I was unable to locate any information or schematics for this board.
A minitron is an advancement of filament display technology that follows the same evolutionary step as a panaplex neon display. Instead of being sealed into a tube, minitrons are constructed into rectangular DIP-style envelopes that can be easily integrated into modern circuit layouts. The 3015F is a fairly standard example of such a device: it has a glass front bonded to a sheet metal case, which is covered with a removable plastic cover. Digit height is 0.36” and the package (16 pin DIP) is 0.87" x 0.45" x 0.24". 8 ma / segment. They can be powered by low voltage (5Vdc).
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Here is a new NIXIE watch. Great for parties, events etc. A nice collectors item too. Maybe even for everyday use. It is very difficult to make such a small watch with NIXIE tubes, hence they are much more expensive than full size NIXIE clocks. Because of the requirements of the tubes the battery lifetime can never be as long as of the lifetime of batteries in regular watches with mechanical or LCD displays. Only a very limited number of these watches will be made. The package will be send insured, and the full value is marked on the customs declaration form. Send a PM if you want uninsured shipping. The other objects in the photo are for size comparison only.
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