Guess that's an "E"-indicator. Looks like an ordinary 7-segment tube.
Magnus
----- Original Message -----
From: "Terry S" <[email protected]>
To: "neonixie-l" <[email protected]>
Sent: Saturday, April 23, 2011 3:01 PM
Subject: [neonixie-l] Re: Russian calculator with green tube(s)
What's the function of the extra tube on the left end?
Terry
On Apr 23, 6:49 am, "/M" <[email protected]> wrote:
During todays big clear-up in our basement store, my wife dug up a Russian
calculator she had been using at her job. The calculator is named
Elektronika MK 59.
I screwed the calcultor apart to adjust the green plastic strip in front
of the tubes and to take some photos (see below). Counting the pins I get
the number 35 which must mean that the indicator tube is multiplexed (7
segments + 16 digits + cathodes/anodes/heaters?? + "minus sign")..
However I forgot to take shot from behind and hopefully catch the ID and
right now I don't really have the urge/energy/time/whatever to unscrew the
four screws holding the calculator together.
I have but one problem, what am I to do with the calcultator/display.
There are enough digits to make a digital clock with
YYYY/MM/DD/HH/MM/SS-display, three times.
Magnus K
Sweden
http://www.pastisch.se/EF/RusCalc-1.JPGhttp://www.pastisch.se/EF/RusCalc-2.JPGhttp://www.pastisch.se/EF/RusCalc-3.JPGhttp://www.pastisch.se/EF/RusCalc-4.JPG
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