Hi!
I have some of these.
Types:
DT-1704B
DT-1704C
DT-1705E

Used, tested, working, but since used not full brightness of course - $15/each plus shipping.

Datasheet here:
http://www.tube-tester.com/sites/nixie/dat_arch/DT-1704_276-063.pdf

Best regards
Dieter




Am 05.02.2022 um 14:34 schrieb Bill Notfaded:
I love these tube with and without mica.  When I first saw them without mica I had to have some because they are unlike any other VFD I've ever seen!
IMG_20191005_185517.jpg
Bill
On Friday, February 4, 2022 at 10:16:44 AM UTC-7 [email protected] wrote:

    Hi Bill, the DT-1704A, DT-1704B, DT-1705A and DT-1705B Digivac tubes
    actually had true floating segments without mica sheets, the later
    DT-1704C and DT-1705C tubes implemented the mics sheet, probably a
    good change for reliability.

    On Fri, Feb 4, 2022, 5:44 AM Bill Notfaded <[email protected]> wrote:

        Awesome thanks for the datasheet!  It looked to me similar to
        the other what I call floating VFD on mica type tubes like a
        handful of others.

        Bill

        On Thursday, February 3, 2022 at 7:01:53 PM UTC-7 charles wrote:

            According to the original data sheet the 8894 is more or
            less standard
            7 segment VFD. clipping from the TCA Data Cache.


-- Charles MacDonald VA3CPY Stittsville Ontario
            [email protected] Just Beyond the Fringe
            No Microsoft Products were used in sending this e-mail.

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